If the mountains of downvotes don't do the trick you can ban accounts directly. Hellbanning is cowardly and ineffective.
This isn't Wikipedia, it's a discussion forum--and the discussion pages on Wikipedia are moderated fairly and openly.
I didn't mean that quality as a whole was fictional, I meant that the notion of quality this policy is attempting to enact was fictional/unattainable.
Flame wars still happen. People still complain about the nastiness of HN comments. It's a discussion forum: angry conversation is what it's for.
Hellbanning does absolutely nothing to improve 'quality of discourse,' it just makes this place nastier.