What does it mean that what leaders tolerate defines culture more than what they praise?

The worst behavior that goes uncorrected sets the cultural floor — the minimum standard that everyone understands is actually acceptable regardless of what the stated values claim. Leaders define culture primarily through tolerance, not through praise. Praising good behavior sets an aspiration. Tolerating bad behavior sets a norm. When the aspiration and the norm conflict, the norm wins because it represents what the organization has demonstrated it will actually accept.

Example: A cybersecurity company, Sentinel, prided itself on a culture of collaboration. The CEO, Marcus, regularly praised collaborative behavior in all-hands meetings, highlighted cross-functional project successes, and gave quarterly awards for teamwork. Meanwhile, the VP of Sales, Dominic, operated as an open fiefdom. He withheld customer intelligence from the product team, publicly undermined the marketing team's messaging in favor of his own, and took sole credit for deals that required engineering's custom integration work. Dominic's behavior was well-known. Marcus had received complaints from every other executive. But Dominic's division accounted for 60% of revenue, and Marcus feared that confronting him would trigger his departure. So Marcus praised collaboration and tolerated Dominic's non-collaboration. The entire organization read the signal clearly: collaboration is aspirational, but individual empire-building is acceptable if you produce results. New hires learned within weeks that the collaboration awards were theater and that the real culture rewarded territorial behavior. When Marcus eventually fired Dominic after two years of tolerance (when another VP left citing Dominic's behavior as the reason), it took eighteen additional months to rebuild collaborative norms — because the tolerance had deposited deep cultural sediment that the praise had never been able to counter.

Try this: Conduct a personal tolerance audit. List the three behaviors in your team or organization that most frustrate you or that you know violate the stated values. For each behavior, answer honestly: (1) Have I directly addressed this behavior with the person responsible? (2) If I addressed it, did I follow up to ensure the behavior changed? (3) If the behavior continued after I addressed it, did I escalate the consequences? For each behavior where the answer to any question is 'no,' recognize that you are currently tolerating this behavior — and your tolerance is setting the cultural floor. Choose one tolerated behavior to address this week. Not all three — starting with one is sufficient. The act of addressing a previously tolerated behavior is itself a powerful cultural deposit.