To make him warm up and then take him out to play for a couple of minutes, with the game decided, is very humiliating for one of the best players in history.
It would be better if he had left him out for the whole game.
As bad as he is now, I think the coach should manage these situations better, although obviously I don't justify Cristiano.
So being a team player is an humiliation? We are not talking about prime Ronaldo but one that is generally struggling beyond a few minutes.