It is not that they don't get to application. It is that it just isn't important. This is where we get a lot of conflict. We suggest someone go out and actually apply it. And then have to spend 20 pages trying to explain why this should be a thing in martial arts. And then basically wind up with. "Sorry I don't compete. I don't street fight and only spar gumbies at 20‰. But you should here my opinions on how fighting works"