I hope that isn't the case because he's one member of the team I would not watch the show without. It just wouldn't work for me. I had been wondering though, given that he had some negative things to say in the previous interview, whether he might be cutting his losses and therefore, not actually care whether TPTB like what he has to say about them or not. If he is leaving, they can't make him hold back on his opinions but, again, I truly hope that he and some superb writers DO return.
By the way, CMJ, I think your earlier post got it in one. Let's have some answers about these characters instead of speculation and wildly changing stories.