Any conference that's willing to sign an agreement that commits them to paying off a speaker whose talk they cancel because, eg, said speaker turns out to be a nazi is probably not a conference you want to be at: https://github.com/speakers-in-tech/sea/blob/main/SEA.md
(Of course this is John De Goes, also responsible for https://mjg59.dreamwidth.org/46791.html)
I think what I love most about it, though, is that the content of the presentation is entirely up to the speaker - so if you turn up to LambdaConf and give a presentation on how the Code of Professionalism is just a dogshit idea rather than actually talking about anything to do with structured programming, and the organisers are not only still obliged to pay you, they're also forbidden from saying anything bad about you afterwards
Not that I'd *encourage* people to submit to conferences listed in https://github.com/speakers-in-tech/conference-data with the intent of talking about how important an actual code of conduct is instead (especially since you'll be at a conference that attracts the sort of person who thinks this is a good idea), but, well.
@johns Oops