It's no big mystery. Look at the 1st(fair comment) and 3rd(Obnoxious) postings in the "Magnificent ?? Obsession". That killed off the goose that laid the golden egg. Even though the goose had some quirks, he kept the board alive and now, quite justified in my opinion, has decided not to post anymore and thereby removed the main stimulus for discussion.
While Keith and Cupidman did their best to defuse the situation, the regular moderator...