Sometimes I wonder if there are bot accounts on HN.
"Please don't post insinuations about astroturfing, shilling, bots, brigading, foreign agents and the like. It degrades discussion and is usually mistaken. If you're worried about abuse, email hn@ycombinator.com and we'll look at the data. " - the HN guidelines
If HN guidelines were strictly enforced a sizeable fraction of the userbase would have to go.