What you did in the ancestor poll was effecting pointing and laughing at an already isolated member of the community

I take an issue with your statement that eridu is "a member of the community". There are plenty of radical feminism communities, this is NOT one of them.

It felt to me so stereotypically villainous bullying that I'm surprised I didn't actually experience a PTSD flashback or something to my highschool years.

S/he is NOT required to visit this place every day for six hours, like you were in high school, so there are no parallels whatsoever with your unfortunate experience. S/he can happily stay among his/her man-hating online groups instead of proselytizing his/her vile message here.

This person's radical feminist posts make this forum a worse place by lowering the overall sanity of it, as has been commented on before. Rejecting this disease by silently downvoting his/her every post (and every reply) is the sane thing to do, short of banning him/her outright.