In this thread, some people are complaining of moderators downvoting (lowering the rank) of some submissions over others; and at least one person says "let the readers decide". I think that if I wanted a forum/news site where "the readers decide" and ONLY the readers decide, i'd go to Reddit. No thanks, i prefer HN due to the behind-the-scenes 'curation' or choice of content, which so far usually gives very interesti…
I've found moderation on HN to be a bit heavy handed recently. Specifically when it comes to the issue of sexism in SV. No matter the opinion, posts on this seem to get removed shortly after reaching the front page. Question for the mods: Why? It doesn't appear to be a bias towards either side. Is the perception just that people are tied of hearing about it? Why not let the users decide that?
Outside of flagging, behavior within the post itself (lots of comments?) probably penalize them. Really, really good stuff makes the frontpage, though. The issues at Uber, for example, were widely discussed.