I've been using the two top links to help speed up my browsing, and among other things, there have been a couple posts I now regret having gotten involved in, which I should really stop reading because certain peoples' opinions drive me up the wall, and I don't want to get banned for accidentally posting frustrated jokes which are misinterpreted as threats of violence. (Unfortunately, not an exaggeration, I posted such in a thread on GitP and got a warning.) Better to remove it from my active posts and aid my self-control.
There's also the newbie agreement post, which is put back on the active unread replies every time we get a new member. Since EVERYONE needs to post in that one, everyone is subscribed to it.