The amount of speculation on this thread is unreal even by RP standards. I confess I gave up reading after about 10 pages so apologies if there has been some proper detail actually published about the guys departure, but from what I can make out, a huge narrative has been decided on without any form of backup other than guesswork.
People do move jobs, it does happen. They leave jobs they love for personal reasons, for money etc, it's really not that unusual.
Best of luck to the lad, he sounds like a lovely bloke and good luck to him. But by the hysteria on here, you'd think we'd just sold Mullin to
Chester.