I'm sure he really wanted to stay. He had to think long and hard about joining palace. I don't think he did it out of spite. He went for the money, its his job. No player loves a club. We all like to think they do, unless they are born in that Town and have been at the club from day one. If a premiership club came in for Murray, he would be gone.
I was really angry when Murray left, and I was just as pissed off when he scored but honestly I'm over that Palace match. The match was a complete circus at the end, and the FFS Murray just made light of the whole sitation.
I would have thought the obvious reason was that he didn't have to relocate, just a short hop up the M23.