I don't think there is a big discussion, i think there are a couple of conversations going on at once on this thread
He obviously needed to have posts removed, maybe personal info was let out by either the OP or someone that knows him, so it was best to have a new name and therefore lose all best answers/conversations badges and the like.
He says in one of his replies //I just did not want to be seen as fooling anyone// i suppose, into thinking he was a newbie when he 'knows' most of you so well...just my opinion