Kayla excellent posts ^^^^^^!!
Agree, don't shoot the method or be afraid of it because you don't at first understand it (to the OP). And like any method if not done done correctly it wont work or work as well.
Btw, when training with positive reinforcements and/or clicker training, we don't have the treats/rewards in our hands. Studies have proven that the treats become part of the cue and that the dog can't learn the behaviour as well or fast when the dog is distracted by the treat when it is visable in our hands.