Your example completely ignores the temporal dimension.
The best practice was to rotate your passwords, but we discovered that this led users to picking less secure and easier to remember passwords and patterns.
Once technology offered up solutions to problems like password managers and breach notifications, that recommendation changed.
PCI used to mandate password changes for in-scope accounts (meaning they have access to credit card flows). Now that MFA is widely deployed that requirement only remains for accounts that do not have a second factor for authentication.
If you were ahead of the curve and implemented strong password policies that did not conform the the PCI baseline, all you had to do was explain to the auditor why. Assuming what you were doing genuinely increased your security posture it would be approved.