HN is more critical but less bullying. It rarely tolerates open crude abuse, but has a huge blind spot around "intellectual" bullying such as ""scientific"" racism.
Additionally, HN is far, far less intelligent than its users would have you believe, but that circles back to the edgelord libertarianism again.
Usually, this is taken care of through the courts, wherein the judicial system punishes people for crimes -- again, an act of violence. However, in the absence of punishment or a judiciary aligned with the interests of oppressors, the oppressed are morally justified in enacting punishment and responding to violence in kind.
[1] Paulo Freire, Pedagogy of the Oppressed, 1967.
You might want to ask a black person or an Indian for their perspective on this.