1) As soon as users get over the karma threshold, downarrows appear right under the uparrows. 2) That's largely because few users make comments lame enough to

1) As soon as users get over the karma threshold, downarrows appear right under the uparrows. 2) That's largely because few users make comments lame enough to be downvoted. But when they do, they get downvoted: http://news.ycombinator.com/item?id=507604 http://news.ycombinator.com/item?id=507604