Sure, ZW and JH may be "better athletes", but JH (sadly for him) has shown a propensity for concussions. BYU should be careful of exposing him to further injury. It would be awful for him and his future. As for ZW vs BR, BR has better field vision and makes better decisions with the ball. BR has better stats and guided BYU to its two strongest victories of the year, even though the UT/USC victories were against P5 teams. ZW makes bad choices (hence the 7 TDs and 5 picks) and calls his own number far too often.
All three are great guys. BR just brings it better.