Assuming it is a schtick (which I personally don't believe), it's nevertheless still unhelpful and obnoxious. It doesn't particular matter whether someone truly

Assuming it is a schtick (which I personally don't believe), it's nevertheless still unhelpful and obnoxious. It doesn't particular matter whether someone truly believes the terrible things they're saying or if they're just "trolling"; the result is the same. As Vonnegut says, we are who we pretend to be.