Postel was wrong, and it's got nothing to do with tolerance of other people, and everything with solid engineering (or encouraging the absence thereof). It mattered for rapid adoption, it is the curse of any stable system.

But if we must make stretched analogies, I'll give you instead "The Standard You Walk Past" - https://www.youtube.com/watch?v=s_TfZdIhIgg

It's making a pretty compelling case that keeping standards matters, "anything goes" is a bad idea, and it does all that in the name of tolerance towards other humans.