Gregory's Server
I also don't know what is best, and fully agree that impact and possible negative side-effects of any feature need to be carefully considered, and then - if possible - reinvented to not have them.
(That means we should be able to discuss them and immediate throwing of #ArtificialImpoverishment to our accounts by @dsfgs is a conversation killer, not helpful for fedi future)
The notion of "I am interested to socialize on these subjects" is worth brainstorming on.