Steve was probably trying to clean up the broad to keep it more skoolie related; that's my guess anyway. I noticed the Arky rant turned into Al Gore "internet inventor" argument thread is gone too.. probably for the better.
I've made posts in the past that just disappeared off in to cyberspace. I would be willing to guess that's what happened. Now I'm just in the habit of doing the ctrl-A and ctrl-C thing on any long post that I'd rather not re-type.
I used to do that too, one site I posted at had a big problems with stuff just disappearing, now browsers usually remember what you typed so you can just use your back button.