When discussing self-defense training, we really need to be discussing more than just learning some tricks and techniques for dodging punches or escaping locks and holds. Why then, are most instructors content with stopping at, and most students sa
tisfied with learning, self-defense in a vaccuum?

Well, I have my own beliefs, mostly involving the fact that most have never been in a real-world self-preservation situation with an assailant out to do maximum damage with any technique or weapon they choose.