I can downvote with only 1030. However, for this article, yours is the only comment that it will let me downvote. Also, a good number of articles on the Ask H

I can downvote with only 1030. However, for this article, yours is the only comment that it will let me downvote. Also, a good number of articles on the Ask HN page won't let me downvote although every article I have checked on the front page does; I suspect it may have to do with the age of the comments.