By the way, folks, if there's someone whose frequent posts bother you, and who doesn't seem to contribute to any of the threads that they post in, you can click on their name, choose "View public profile", click on the "user lists" drop-down, and choose "add to ignore list". This makes all the posts by that user turn into little one sentence blurbs: "This message is hidden because username is on your ignore list."

I only wish this option would hide any posts that quote or refer to that person, as well. Sadly, you still have to skip over all of the gluttons for punishment who try to talk sense into the person that you've ignored.