Milan plays with the ball every game. Aquilani will not have to put in the work to get the ball back that he had to at Juve.
He is only inconsistent in his effort. On a team like Milan, that workrate won't always have to be there because they will have the ball more than we ever did when he was here. If you think that with us he had loads of passing options every time he got the ball and just threw balls into the stands, you are crazy.