Reading his posts, I don't see much that is ban-worthy or even abrasive by internet standards. The Reddit poster seems overly self-critical. I would understand

Reading his posts, I don't see much that is ban-worthy or even abrasive by internet standards. The Reddit poster seems overly self-critical. I would understand banning a troll, but Hacker News is supposed to be above banning people for holding unpopular opinions.