> I often upvote items I disagree with only because they bring up something worthy of discussion. I'm curious how many other HNers do the same. I do, though it

> I often upvote items I disagree with only because they bring up something worthy of discussion. I'm curious how many other HNers do the same. I do, though it's rare. I've done it for comments a few times, but mostly just for low-karma threads that don't have any comments yet, where I want to see what other people have to say.