Twenty-Five Years Is Not Evidence

SAI White Paper Series

Why a Long-Standing Business Practice Still Has to Prove It Fits the Business Today

Lawrence M. Schneider
Founder & CEO, Schneider Axiom Institute™

PUBLICATION IDENTITY

Permanent Publication Identifier: SAI-PLOC-07
Original Publication: June 2026
Current Editorial Revision: September 2026
Version: 2.0 — Reconstructed Edition
Classification: Organizational Performance, Leadership & Human Factors
Subject: Duration-Based Legitimacy, Status Quo Bias, Organizational Routines, Re-Examination & Constraint Diagnosis
Primary Audience: Business Owners, Founders, CEOs, Executives, Advisors & Consultants
Primary Constraint Relevance: Cross-Class — with Strategic, Organizational, Leadership, Operational & Financial Relevance
SAI Discipline Stage: IDENTIFY → PRIORITIZE → RESOLVE → CONFIRM
Evidence Orientation: Interpretive Practitioner Proposition Supported by Research on Status Quo Bias, Organizational Routines, Organizational Learning & Escalation of Commitment

Executive Abstract

A business practice can survive for years without proving that it remains the best available practice for the business that now exists.

That distinction matters.

The pricing structure may still produce sales.

The production method may still produce acceptable output.

The reporting structure may still keep work moving.

The sales process may still generate revenue.

The customer policy may still avoid obvious failure.

None of those outcomes establishes that the practice still fits the organization’s current scale, economics, market, technology, or strategic position.

Over time, survival can begin to function as evidence.

The practice has been here for years.

The business survived.

The people know how it works.

The systems were built around it.

Customers may expect it.

Changing it would create visible cost and disruption.

The result can be a subtle shift in the burden of proof.

Instead of asking:

WHY SHOULD WE KEEP THIS?

the organization begins asking:

WHY SHOULD WE CHANGE IT?

That is not the same question.

This paper examines how long-standing practices can acquire legitimacy from duration alone, how the visible cost of changing can obscure the distributed cost of continuing, and why re-examination should not be confused with rejection.

Why This Paper Matters

A long-standing practice is not automatically a problem.

In many businesses, the opposite is true.

Routines create stability.

Experience creates speed.

Familiar systems reduce coordination cost.

Established practices can embody accumulated judgment, technical knowledge, customer understanding, and hard-earned operating discipline.

Research on organizational routines supports that nuance. Routine-level inertia can sometimes hinder adaptation, but it can also contribute to useful variation and organizational adaptation under some conditions [2].

So the diagnostic question is not:

How old is the practice?

It is:

What evidence supports its continuation now?

A twenty-year-old process may still be excellent.

A five-year-old process may already be structurally wrong.

Duration does not determine the answer.

Current evidence does.

That distinction is central because organizations can gradually begin treating continuity as validation.

The business survived with the practice.

Therefore, the practice is assumed to have been validated by survival.

But survival answers only one narrow question:

Was the practice compatible with continued operation?

It does not answer:

Was the practice the best available fit for the business?

It does not answer:

What did the practice cost relative to an alternative?

It does not answer:

What ceiling did the practice place on performance?

It does not answer:

Would the organization choose the same practice today if it were designing from current conditions rather than inheriting from prior ones?

Those are different questions.

THE CENTRAL PROPOSITION

This proposition depends on four distinctions.

DURATION ≠ CURRENT FIT

A practice can remain in place for years while the business around it changes.

SURVIVAL ≠ OPTIMALITY

Continued operation proves continuation was possible.

It does not establish that a better-performing alternative was unavailable.

FAMILIARITY ≠ VALIDATION

A practice can feel right because the organization knows it well.

That is different from evidence that it still fits.

RE-EXAMINATION ≠ REJECTION

Testing a long-standing practice does not require abandoning it.

Re-examination can confirm it.

How Duration Acquires Legitimacy

The longer a practice remains in place, the more difficult it can become to separate its operating value from its history.

That history accumulates around the practice.

Systems are configured around it.

People are trained around it.

Roles are defined around it.

Customers may have adapted to it.

Suppliers may have organized around it.

Performance measures may have been built to evaluate it against its own historical baseline.

The practice becomes familiar.

Then the familiarity becomes normal.

Then normal becomes expected.

Eventually, expected can become legitimate.

That progression is understandable.

It is also diagnostically dangerous when duration begins replacing current evidence.

Status quo research provides relevant context. Samuelson and Zeckhauser found that decision-makers can disproportionately prefer an existing option simply because it is the current state [1].

That research does not establish that every long-standing business practice is defended because of status quo bias.

It does establish that continuation itself can influence decision preference.

That matters because the organization may begin treating the inherited option differently from every alternative.

A proposed new practice must prove itself.

The existing practice may no longer be required to.

The Burden of Proof Can Reverse

Consider the difference between these two questions:

Why should we continue doing this?

and

Why should we stop doing this?

They appear similar.

They are not.

The first requires current justification.

The second gives the incumbent practice a presumption of legitimacy.

That can materially change the decision.

The existing process may survive because every alternative carries a visible implementation burden while the existing process carries no equivalent requirement to prove its present value.

The organization is no longer comparing:

It is comparing:

That is a different decision architecture.

Why the Cost of Changing Usually Looks Larger

The cost of changing is often concentrated.

It is visible.

It may require:

• retraining;
• new technology;
• customer communication;
• revised compensation;
• system reconfiguration;
• temporary disruption;
• process redesign;
• organizational conflict;
• capital expenditure;
• implementation risk.

The cost of continuing can be much harder to see.

It may arrive as:

• lower margin;
• slower decisions;
• excess labor;
• avoidable rework;
• lost capacity;
• weak customer retention;
• unnecessary escalation;
• limited scalability;
• missed market opportunity;
• underused technology.

The organization can therefore compare a visible change cost with an invisible continuation cost.

That comparison is structurally uneven.

That is one reason a long-standing practice can survive even after its original fit has weakened.

A Practice Can Become Part of the Organization’s Identity

Some practices carry more than operating value.

They carry meaning.

A pricing philosophy may represent what the company believes about fairness.

A production method may represent craftsmanship.

A sales process may represent the founder’s original way of building customer relationships.

A reporting structure may represent the company’s culture.

A customer policy may represent what the business believes distinguishes it from competitors.

At that point, re-examining the practice can feel like re-examining the organization itself.

The discussion changes.

A structural question becomes a personal one.

A pricing review becomes:

Are we abandoning what made us successful?

A process redesign becomes:

Are we saying the old way was wrong?

A reporting change becomes:

Are we changing who we are?

Those interpretations can make objective examination harder.

But a practice does not become more structurally correct because it became meaningful.

And changing a practice does not invalidate the period in which it worked.

PAST FIT ≠ CURRENT FIT

A practice can have been exactly right when it was created.

That point should not be minimized.

The problem is not that the original decision was necessarily wrong.

The business may simply have changed.

Scale may have changed.

Customer expectations may have changed.

Technology may have changed.

Competitive economics may have changed.

Labor requirements may have changed.

Capital structure may have changed.

Regulatory conditions may have changed.

The practice may have remained stable while the environment moved.

That creates a different diagnostic problem.

What Research on Routines and Organizational Adaptation Adds

Research on organizational routines provides an important caution against oversimplification.

Routines are not inherently dysfunctional.

Yi, Knudsen, and Becker examined routine-level inertia and argued that inertia can sometimes slow change while also creating useful variation that may support organizational adaptation [2].

That matters for this paper because it prevents a simplistic conclusion:

OLD ROUTINE = BAD ROUTINE

That is not the proposition.

The relevant question is whether the routine still fits the conditions under which the organization must now perform.

The research reinforces a more precise distinction:

The SAI Duration–Evidence Model

This paper introduces the SAI Duration–Evidence Model.

It is a practitioner-developed diagnostic structure.

It is not an independently validated empirical instrument.

The model describes a possible progression:

PRACTICE WORKS OR SURVIVES

The practice produces enough value to remain in use.

ORGANIZATION BUILDS AROUND IT

Systems, roles, expectations, and capabilities become aligned to the practice.

CHANGE COST BECOMES VISIBLE

Replacing or redesigning the practice now requires real effort.

DURATION ACQUIRES LEGITIMACY

Longevity begins functioning as evidence that continuation is appropriate.

RE-EXAMINATION DECLINES

The organization stops asking whether the original assumptions still hold.

STRUCTURAL MISFIT MAY GO UNTESTED

A gap between the practice and current conditions can persist without becoming visible as a separate diagnostic question.

Illustrative Diagnostic Scenario — Not a Documented Case

A manufacturer has used the same basic pricing architecture for many years.

Prices have been adjusted periodically.

The structure itself has not been reconsidered.

Customers are still buying.

The owner interprets that as evidence that the pricing remains competitive.

That may be correct.

But the relevant question is not whether customers still buy.

It is whether the current pricing architecture still produces the margin, positioning, and capital profile the business requires.

The organization has evidence of survival.

It may not yet have evidence of fit.

Illustrative Diagnostic Scenario — Not a Documented Case

A distribution company created its sales process when the organization was much smaller.

The business grew.

Territories were redrawn.

Accounts were reassigned.

Compensation was adjusted.

New people were added.

The process was repeatedly adapted.

It was never redesigned from first principles for the scale the company eventually reached.

The process still functions.

Salespeople still sell.

The diagnostic question is:

Illustrative Diagnostic Scenario — Not a Documented Case

A production operation uses equipment and methods that have been maintained carefully over many years.

Internal efficiency measures remain acceptable.

The organization compares current performance with its own historical performance.

That may show stability.

It does not show how the method compares with current production alternatives.

The diagnostic question becomes:

WHAT ARE WE BENCHMARKING AGAINST?

Historical performance?

Or current available capability?

The answer can change the meaning of “acceptable.”

Illustrative Diagnostic Scenario — Not a Documented Case

A company’s reporting structure was created when the organization was significantly smaller.

New positions have been added as the company grew.

Additional reporting lines have been inserted.

Decision authority has been patched around recurring problems.

Managers now experience regular coordination failures.

Those failures are attributed to communication.

That may be correct.

But another possibility is that the organization is trying to solve current-scale problems inside an inherited authority architecture.

The diagnostic question is:

Illustrative Diagnostic Scenario — Not a Documented Case

A retailer has maintained the same customer service philosophy for years.

The policy once differentiated the business clearly.

Competitors later improved.

Customer expectations changed.

The company’s policy did not.

Management continues defending the policy because it helped build the company’s reputation.

The history is real.

The question is current:

The Competency Trap Problem

Experience usually has value.

But prior success can also narrow learning.

Michael and Palandjian studied new product introductions in the U.S. shampoo industry and interpreted their findings as evidence consistent with a competency-trap problem in which prior organizational experience can make learning from later experience more difficult [3].

That finding should not be generalized beyond its study context.

It does, however, support a useful diagnostic caution:

A practice can survive because the organization became highly competent at operating it.

That competence can make the practice appear stronger than it is.

The organization may be measuring:

HOW WELL DO WE EXECUTE THIS PRACTICE?

when the more important question is:

SHOULD THIS STILL BE THE PRACTICE WE EXECUTE?

Those questions are not interchangeable.

The Organization Can Become Excellent at the Wrong Comparison

Historical metrics can reinforce long-standing practices.

Consider these statements:

We are more efficient than last year.

Returns are lower than they were five years ago.

The process is faster than it used to be.

Managers are handling more volume than before.

Those may all be true.

But improvement against an inherited baseline does not establish that the baseline remains appropriate.

An organization can improve a process that should have been redesigned.

It can optimize a structure that should have been replaced.

It can refine a pricing model whose underlying logic no longer fits the market.

It can become very good at operating inside an unnecessary limitation.

Escalation of Commitment Is Related—but Not the Same

Long-standing practices can also accumulate investment.

Money has been spent.

People have built expertise.

Managers may have defended the practice publicly.

Systems have been configured around it.

Changing course can therefore feel like admitting prior resources were wasted.

Research on escalation of commitment and sunk costs provides relevant context. Ohlert and Weißenberger found that sunk-cost effects can influence continued commitment even when new information suggests changing course, and that structured decision instructions can reduce that effect [4].

This paper does not claim that every long-standing practice reflects escalation of commitment.

But sunk investment can become one reason re-examination is resisted.

That makes another distinction important:

The fact that resources were spent to build a practice can explain why it exists.

It does not determine whether the next dollar, hour, or year should be committed to it.

The SAI Re-Examination Test

This paper introduces the SAI Re-Examination Test.

It is a practitioner-developed diagnostic structure.

It is not an independently validated empirical instrument.

1. CURRENT-FIT TEST

What present condition does this practice solve?

Do not answer with history.

Answer with current operating evidence.

2. ASSUMPTION TEST

Which assumptions produced the practice originally—and which of those assumptions are still true?

3. BENCHMARK TEST

Are we comparing the practice with its own history or with current alternatives?

4. COUNTERFACTUAL TEST

If this practice did not already exist, would we design it this way today?

5. CONTINUATION-COST TEST

What measurable cost is created by leaving the practice unchanged?

6. CHANGE-COST TEST

What measurable cost and risk would changing the practice create?

Both sides must be visible.

7. IDENTITY TEST

Are we defending the practice because changing it feels like rejecting the organization’s history or identity?

8. CONSTRAINT-CLASS TEST

Which structural condition is actually governing performance?

Evaluate across:

Market · Operational · Financial · Organizational · Strategic · Leadership · Credibility

The age of the practice does not determine the class.

The evidence does.

9. CONFIRMATION TEST

If the practice is changed, did the diagnosed performance limitation materially improve?

If not, reconsider the diagnosis.

Re-Examination Is Not a Presumption of Change

This distinction is essential.

A diagnostic discipline should not treat old practices as guilty until proven innocent.

That would simply replace one bias with another.

The objective is not modernization for its own sake.

The objective is current fit.

A long-standing practice can survive re-examination and become more defensible because of it.

The review may show:

The pricing is still appropriate.

The production method remains economically superior.

The reporting structure still fits the scale.

The customer policy still differentiates the company.

The sales process still matches the market.

That is a valuable outcome.

The practice is no longer being continued merely because it has been continued.

It is being continued because current evidence supports it.

That is as important as discovering that change is necessary.

Where the Seven Classes Enter

A duration-based defense is not a constraint class.

It can appear around conditions in different classes.

Market

An old pricing, positioning, product, or customer-policy assumption may no longer fit current market conditions.

Operational

A production method, workflow, technology, or process may continue after its operating assumptions have changed.

Financial

A long-standing capital structure, pricing logic, cost practice, or investment pattern may be limiting financial performance.

Organizational

Reporting relationships, spans of control, authority systems, or role structures may have been inherited from an earlier scale.

Strategic

A long-standing strategic choice may continue because prior success has become its primary justification.

Leadership

A leader may prevent re-examination by treating challenge to the practice as challenge to judgment, history, or authority.

Credibility

Information used to defend the practice may become selectively framed, incomplete, or less trusted if contrary evidence is repeatedly discounted.

The duration of the practice does not determine the diagnosis.

Using the SAI Business Constraint Discipline™

IDENTIFY

Begin with the performance limitation.

Do not begin with:

This practice is old.

Ask:

What condition is materially limiting performance, and what evidence shows that the long-standing practice is contributing to it?

Age is context.

It is not diagnosis.

PRIORITIZE

Determine whether the practice is:

causal

contributory

sustaining

secondary

or

not materially related

A highly visible old practice may attract attention while a different structural condition is actually governing performance.

RESOLVE

Resolution should follow the diagnosed condition.

Possible interventions may include:

• benchmarking against current alternatives;
• redesign from first principles;
• controlled pilot testing;
• independent external comparison;
• explicit separation of sunk cost from future value;
• assumption review;
• technology review;
• role and authority redesign;
• pricing architecture review;
• removal of historical metrics that obscure current comparison;
• staged implementation to reduce change risk.

The point is not to change because the practice is old.

The point is to remove the structural limitation identified by the diagnosis.

CONFIRM

Ask:

Did the change materially improve the diagnosed limitation?

Did the expected structural cost decline?

Did the operating ceiling move?

Did the anticipated benefit appear?

If not, reconsider the diagnosis.

Implications / Applications

For Owners

Do not ask only:

Has this worked?

Also ask:

What evidence says it still fits?

For CEOs

Require long-standing practices to periodically earn continuation on current evidence.

For Executive Teams

Separate organizational history from structural justification.

Respect both.

Confuse neither.

For Advisors

Do not assume a practice is obsolete because it is old.

Do not assume it is sound because it survived.

For Boards

Ask whether key operating assumptions are being reviewed against current conditions rather than historical familiarity.

For Successors

Inherited practices deserve neither automatic rejection nor automatic protection.

They deserve diagnosis.

Limitations and Questions for Further Examination

This is a practitioner White Paper.

It does not establish that older business practices are generally inferior to newer ones.

It does not establish that duration causes organizational rigidity.

It does not establish that every long-standing practice reflects status quo bias, sunk-cost effects, routine inertia, or competency traps.

It does not establish that re-examination will necessarily improve performance.

It does not establish that changing a long-standing practice is preferable to retaining it.

Research on status quo bias, organizational routines, organizational learning, and escalation of commitment provides relevant intellectual context.

It does not independently validate the proprietary SAI structures introduced in this paper.

The stronger proposition is narrower:

Questions for Further Examination

How long can a practice remain unexamined before duration begins influencing its perceived legitimacy?

Which kinds of business practices are most vulnerable to duration-based defense?

How does founder identity affect willingness to reopen a successful historical practice?

When does routine persistence protect performance rather than inhibit adaptation?

How should organizations compare visible switching costs with distributed continuation costs?

Can periodic assumption reviews reduce status quo effects without producing unnecessary organizational churn?

What evidence should be required before a long-standing practice is retained?

How should the SAI Re-Examination Test be evaluated in applied settings?

Conclusion

Twenty-five years can prove endurance.

It cannot, by itself, prove present-day fit.

A business practice may have been intelligent when it was created.

It may have helped build the company.

It may have become part of the organization’s identity.

It may still work.

None of those facts eliminates the need for current evidence.

The discipline is not:

CHANGE WHAT IS OLD.

The discipline is:

RE-EXAMINE WHAT HAS STOPPED HAVING TO PROVE ITSELF.

That re-examination may lead to change.

It may also lead to confirmation.

Both are legitimate outcomes.

The diagnostic failure occurs when the question is never asked because survival has been mistaken for validation.

That is diagnosis before prescription.

Evidence Boundary

This White Paper presents a practitioner-developed SAI proposition concerning duration-based legitimacy, long-standing business practices, re-examination, organizational routines, status quo effects, sunk investment, and constraint diagnosis.

It introduces two practitioner-developed SAI structures:

SAI Duration–Evidence Model

Practice Works or Survives → Organization Builds Around It → Change Cost Becomes Visible → Duration Acquires Legitimacy → Re-Examination Declines → Structural Misfit May Go Untested

and

SAI Re-Examination Test

1. Current-Fit Test
2. Assumption Test
3. Benchmark Test
4. Counterfactual Test
5. Continuation-Cost Test
6. Change-Cost Test
7. Identity Test
8. Constraint-Class Test
9. Confirmation Test

These are practitioner-developed diagnostic structures.

They are not independently validated empirical instruments.

External research cited in this paper provides context concerning:

• status quo bias;
• organizational routines;
• organizational learning;
• competency traps;
• escalation of commitment;
• sunk-cost effects.

It does not independently validate:

• the Seven Classes of Business Constraint™;
• the concept of a governing constraint;
• the SAI Duration–Evidence Model;
• the SAI Re-Examination Test;
• the SAI Business Constraint Discipline™;
• the proposition that a particular long-standing practice is governing performance in any specific organization.

Lawrence M. Schneider's operating experience is a source of practitioner observations, distinctions, questions, and propositions for further examination. It is not controlled empirical evidence and does not, by itself, establish generalizability, causation, transfer, effectiveness, or independent validation of the SAI framework.

References

[1] Samuelson, W., & Zeckhauser, R. (1988). Status quo bias in decision making. Journal of Risk and Uncertainty, 1, 7–59. DOI: 10.1007/BF00055564.

[2] Yi, S., Knudsen, T., & Becker, M. C. (2016). Inertia in Routines: A Hidden Source of Organizational Variation. Organization Science, 27, 782–800. DOI: 10.1287/orsc.2016.1059.

[3] Michael, S. C., & Palandjian, T. (2004). Organizational Learning and New Product Introductions. Journal of Product Innovation Management, 21, 268–276. DOI: 10.1111/j.0737-6782.2004.00078.x.

[4] Ohlert, C. R., & Weißenberger, B. E. (2020). Debiasing escalation of commitment: the effectiveness of decision aids to enhance de-escalation. Journal of Management Control, 30, 405–438. DOI: 10.1007/s00187-019-00290-z.

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The Seven Classes of Business Constraint™

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Related SAI materials extend the diagnostic context of this paper. They should not be interpreted as independent empirical evidence for the proprietary SAI framework.

About the Author

Lawrence M. Schneider is Founder and CEO of the Schneider Axiom Institute and developer of the SAI Business Constraint Discipline™. His work draws upon more than fifty years of CEO-level operating experience across manufacturing, distribution, construction, land development, franchising, and multi-entity businesses.

Lawrence M. Schneider founded U.S. Lock Corporation and served as its Chairman and CEO for almost twenty years. Under his leadership, the company grew to more than 250 employees, 15,000 customers, and 1,100 authorized dealers. U.S. Lock is now owned by The Home Depot.

The SAI Business Constraint Discipline™ developed from Schneider's effort to formalize recurring operating observations about diagnosis, prioritization, structural causes, and the sequencing of corrective action. His operating experience is a source of practitioner observations, recurring questions, distinctions, and propositions for further examination; it is not controlled empirical evidence and does not, by itself, establish generalizability, causation, transfer, effectiveness, or independent validation of the SAI framework.

About the Schneider Axiom Institute

The Schneider Axiom Institute is an Institute for Business Constraints.

Its work is organized around a disciplined premise:

Diagnosis should precede prescription.

Through research, practitioner education, diagnostic instruments, and credentials, SAI develops the capability to identify, prioritize, resolve, and confirm the governing constraint.