He has no innovators underneath anymore. If you realize, they pretty much did a revolving door with him and Drake. Wayne shit sounds dated now, he does that weird voice almost like Young Thug and his punches started getting really reachy probably meaning he should have grabbed a pen and pad but he didnt, now he is lazy.
People stopped caring, so he got a bit desperate and started trying to jump on trends and ended up sound a big dated. T.I. sort of did the same thing but he has managed to maneuver a lot better it seems