They're just downvote-happy nowadays. I gained "downvote priviledge" two weeks ago and still haven't used it.
If I don't like something, I don't read it. And if the comment is legitimately against HN community guidelines, usually 5+ people have beaten me to the downvote, so I don't waste my time.
If I don't like something, I don't read it. And if the comment is legitimately against HN community guidelines, usually 5+ people have beaten me to the downvote, so I don't waste my time.