Originally Posted by Floda$E-R

I understand what you are saying, but its something people need to know how to do and use appropriately to be safe on track. If they do happen to get themselves into a situation of going in hot to a turn they better know how to handle it or they are going to go off fast and hurt their car, themselves, and the instructor.

No, it's not the first thing you teach them, but I'm quite sure NASA teaches Group 1 and 2 students the art of trailbraking and tells them to experiment on safe turns with lots of run off and to tell your instructor you'll be trying it.