He is one of ours and he is doing good. If you don't like his way of playing, fine. But you can't dispute the fact, that he has a hand in a lot of goals/victories each season.
2013-14: 41/26 = 0.63
2014-15: 51/46 = 0.90
2015-16: 49/51 = 1.04
2016-17: 06/10 = 1.67
No other player in the world...