Those that spend all day posting on HN aren't always the most hinged.
But the most egregious cases, such as posting short replies that literally self contradict and self negate their own credibility within the span of a few sentences… was very rare before.
At least from high karma accounts.
Many accounts will contribute constructively on topics that are technical or objective, but then become more antagonistic on controversial or political topics.
So long as they don't severely break site rules, it's unlikely that they will be subject to major moderator action.
To keep the bar at roughly the same relative difficulty.
Say 10,000+ karma?
If so, my example would no longer apply.