In regards to the weight of his total mass divided between his legs and his torso, the ratio of legs to torso in the distribution of weight, combined with the motion of his arm (the strength of which stems from his torso) - it looks too rigid where the legs and torso meet. His stance would not be so casual/"i'm just standing here" if he was swiping his hand in such a way, especially considering how much larger his torso is in relativity to his legs. (The swipe would result in him falling backwards because his legs are both in front of his torso and his torso is enormous. My point was that it would look better if there was more movement/energy in his pose, as there is in Jazz's.)

Now do you get it?