I don't think I really need to explain much, their admins are transphobic. 
https://hexbear.net/post/1587342
Snowe, an admin, complained about a transgender person being offended over being misgendered. Ategon made an apology post but keeps snowe on, no public apologies from snowe to the transgender people affected.
Textbook 
note: conversation about Ategon's use of the word triggered edited out, might be misunderstanding, need clarified
Your reading is very reasonable (I think that a general audience of native English speakers would be split on the which sense was being used), so there's no need to blame yourself either way.