[pitspotter]

Yes, I hate that motivation. More trivially there are people who enjoy baiting and winding other people up. Why?

I don't know. However I think I know the reason it's permitted to exist: because it makes its victims more resilient. The troll knows this at some level so his conscience is relatively untroubled.

[nuclearnice1]

Interesting take. I assumed trolls knew it was wrong and don’t care. You found an interesting logic where they might believe they were eventually a force for good