I'm not really a StackOverflow user, but it sounds like some other communities I know. Basically, upvotes equals visibility, so other posters will downvote your

I'm not really a StackOverflow user, but it sounds like some other communities I know. Basically, upvotes equals visibility, so other posters will downvote your post so theirs becomes more visible. For some reason I didn't think HN users were that shallow, or that HN would fall into that trap.