I dont think he Can be dropped, his carries are even more crucial now given the players we have missing in the middle. Teams are kicking to him to ensure his not having an effective carry out our own end, this is where ponga needs to be working with him so he can hand off to him to return the ball some of the time, he also needs better kick protection from best, i know its a fine line between blocking and giving away the penalty but he has to do better than what he has been.
The drop balls and loose carries will sort themself out, his gone through stages like this throughout his whole career, he will come good.