If the case is that Maitland was happy to play fullback, then I don't blame him at all. He played well enough there to get an england call-up and is looking around at players go past him who he probably thinks he is at least equal to, while he basically got dropped for no identifiable footballing reason.
All he said was I want to go where I'm wanted and where I'll play. It's not exactly the worst thing in the world.