Site suggestion:
When somebody attempts to post a comment with the words "why", "comment", and "downvoted", it should open a prompt directing them to an FAQ explaining most likely reasons for their downvote, and also warning them prior to actually submitting the comment that it's likely to be unproductive and just lead to more downvotes.
(Personally I think this site needs to have a little more patience with people asking these questions, as they almost always come from new users who are still getting accustomed to the community norms, but that's just me.)
In my opinion, downvoting is necessary for forum moderation, and people don't downvote enough. It is rather easy to get a lot of karma by simply writing a lot, because the average karma of a comment (this is just my estimate) is around 1. I would prefer if the average was closer to 0.
Asking about downvoting is ok, per se (assuming that the person does not do it with every single damned comment which fell to -1 temporarily). But sometimes it seems to contain a connotation that "you should not downvote my comments unless you explain why". Which I c...
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.