We've had this a million times. He was a senior player and was asked by the board what he and the other players thought about the situation. Whether players should or shouldn't have a say in who is the manager or his tactics doesnt matter it's just the way it is now.
I loved Nolan but I think it was best for all concerned for him to move on at the time. Would I have him back? apart from the old never go back argument in a flash, he could be fishing for a move back North, can dream, it would certainly get the fans going.