Whey PWO is NOT better than "whole food PWO".
Whey is good PWO as its absorbed so quick. However, its absorbed too fast and doesnt slow protein breakdown in the hours following your exercise. The net anabolic effect of casein PWO is superoir to Whey alone over a 24 hour peroid.
A mix of both Whey/Casein is best as you get the increase in protein synthesis from the Whey, then the dramatic slowing down of amino breakdown (catabolism), after exercise.
Dont buy into the supplement and marketin bullshit you read about Whey being some magical potion, its not.
There is no evidence simple carbs are better than complex carbs PWO for an insulin boost. You can also not restore glycogen levels PWO. It takes far longer than that.