IMO, the whole thing boils down to judgment (imagine
) as to whether the shot was in motion at time of foul. In a case of "had to be there" for you guys, I was, and don't see how it was realistically possible for A2 to wait for the pass to arrive, catch/control, and go into a shooting motion, in the time between the release of the pass by airborne A1 and A1's immediate contact with B1.