I don't like downvotes because they don't convey very much information. There are many reasons to downvote something and no way to tell what that reason is. How

I don't like downvotes because they don't convey very much information. There are many reasons to downvote something and no way to tell what that reason is. However, in this case, I think the reason is that the comment is both obvious and irrelevant to the conversation about security.