Seems pretty straightforward to me. He applies the fundamentals,that are applicable to the situation, in the best way possible.
But I bet what you'll find is that even he doesn't know. My guess is that he falls more into the rarified air of the Miculek,/Butler/Stoeger group of people that simply possesses the correct natural abilities to excel at shooting gun games.
I'm way more interested in learning from normal people, that face the same challenges I do or, failing that, at least someone who has had training or schooling in how to teach people, and by that I do not mean the military method.