A kbin user has the most upvoted comment chain on that post.
https://kbin.social/m/meta%40lemm.ee/t/458933/How-do-I-block-all-of-Hexbear-from-All/top
sh.itjust.works and a 1-user Lemmy instance called lemmy.magnor.ovh also see and reply to Hexbear comments, though Hexbear doesn’t see their replies:
It was the one titled something like “Obama taking the piss” because he’s asking people to donate to Libya
Edit: yeah found it. You kind find their confused reply in the thread
https://hexbear.net/post/604773