edit: Oh, there is one other thing which explains "nicer" for me. HN definitely leans towards the leftie-libertarian side. Usually, hate speech, offensive insults, derogatory vocabulary, discrimination, pointless trolling and other aspects associated with "unpleasant environments" are found on the right-wing/authoritarian/alt-right/gamergate/masculist spectrum.

Reducing credibility of right minded folks by categorizing them all as authoritarian You can be right wing And an upstanding citizen