Votes are (to a greater extent than HN) used to indicate disagreement rather than low quality (which leads to more low quality comments); political content is a

Votes are (to a greater extent than HN) used to indicate disagreement rather than low quality (which leads to more low quality comments); political content is allowed and encouraged (but only that which aligns with the beliefs of the moderators); many users have been banned without any transparency as to why; significant groupthink about technical topics (separate from the political content).