The instance seems to be mostly right wing trolls. I know defederating is unpopular but I don't think much is to be lost in this case and it can save the mods some headaches.
Edit: the response on exploding-heads.com to my reporting of transphobia. Courtesy of the "second in command"
The term had been coopted by feudalists much before that. The term originally referred to anarcho-socialists as opposed to the growing “authoritarian” socialist trend. I put authoritarian in quotes, because that term has also completely lost its meaning.
Anarcho-communists represent.