Not really. Censorship on a legal/state-wide level is different from a single community having constraints or standards - nothing prevents certain types of disc

Not really. Censorship on a legal/state-wide level is different from a single community having constraints or standards - nothing prevents certain types of discussion that aren't allowed here from happening somewhere else. Also, taking casual shots at HN rules or moderation isn't so much contrarian or anti-censorship as being disrespectful of the community and its expectations - downvotes shouldn't be surprising in such a case.