I was there, I saw the thread. @TheDude, did you? It was pretty strongly in favour. Do we really need to keep waiting around to see if an instance administrated by a guy who wants to declare “cis” a slur is going to turn out okay?
https://sh.itjust.works/post/216888 for context.
Because reasonable moderation and common sense boundaries don’t prevent free thought and expression for most people. So the main people that look for “free speech” communities are wild extremists or people seeking illegal material.