Has there been any project which had its community change its conduct after adopting a CoC? Or any projects which had a profound impact due a CoC? I see that having CoC is getting standard with OSS projects, old and new alike. But have no idea if it actually does anything.
Fair warning, I do not like codes of conduct. They're an authoritarian power play justified by fear. Codes of conduct are more about changing who is in the community than about changing the conduct of existing community members. Periodically someone runs afoul of the ruling elite who pass judgement upon them behind closed doors, usually leading to excommunication. The atmosphere of knowing what you say will be report…
The CoC people are relatively transparent that they want to be able to push people like Torvalds and Stallman out of projects. Raising the question; do we have a limitless supply of Stallmans and Torvalds out there to draw on, or are these people actually quite rare? From what I can tell they are quite rare and need to be encouraged in the good they do rather than ostracised for the flaws that all humans have in some way or another.
Stallman is a great example. There is a long queue of people lining up to criticise him, but nobody has successfully cobbled together an alternative to the FSF. It wouldn't be hard. GPL 2.0 hit a better sweet spot than 3.0. Nobody has stepped up to the plate.