This is an excellent point However there are a couple of things to say 1) If the game rules changed you would stop training for hits you were not expecting to

This is an excellent point However there are a couple of things to say 1) If the game rules changed you would stop training for hits you were not expecting to take and concentrate on other factors. 2) I wonder how much of this training is necessary, vs hitting a heavy bag for instance. Perhaps it is just bad practice (no pun intended)