None of those play in the same league as discord for hosting a community, and none of them look in a position to be there in the foreseeable future. It sucks but that's how it is.

This is how it always is, until suddenly one day it isn't. Linux didn't play in the same league as serious and commercial UNIX systems until one fateful day it killed them all dead forever.

That was true for the Twitter alternatives too, and look how fast they grew.