Specifically, 90%+ of all comments are of the "you're wrong, because..." variety. Note that there's nothing wrong with such comments: they make up a large part of any group's pub conversations as well, for example.
Yet there are other sentiments that are possibly underrepresented on HN: self-doubt, questions, or comments expanding on others' ideas come to mind.
None of these can obviously be categorised as singularity "male" or "female". And there isn't much shouting going on, even metaphorically. Yet it may, from time to time, be a good idea to step back and examine common assumptions,