I have to agree with berkut. I had to stop using a previous hn account because it was so incredibly frustrating when people would downvote me with no explanation. I would cite my comments with reputable sources but that never helped.
It was enough to prevent me from contributing to the discussion until recently.
Certain beliefs or opinions in the minority are not very well tolderated here. It's still certainly better than other sites, but from my perspective it is slowly sliding downwards.
If I do post, it likely would not be anything remotely controversial.