He has talent, he can pass, can shoot and can defend.
Well, that makes him better than 90% of the squad then, doesn't it? Despite all these attributes he can't get a game. He's arguably our best center back, but he's being played as a reserve left back. He likes to get on with the game, and that's a good thing too, so it's hardly surprising he's upset.
Having said that he should take it up with the manager long before he takes it up with the press; didn't he learn from the mistakes Babel made?