That makes sense, considering battlefields aren't generally the place to engage in grappling (I don't actually KNOW that, just speculating). In my Krav classes, we don't learn so much grappling as how to simply survive on the ground. How to defend from downward punches, how to get out of the way - my sifu often says that grabbing a nut or biting is the best way to shock an attacker enough to get yourself out from under them. This is especially true for rape victims, as rapists seem to seldom expect resistance. It's been said before but I'll say it again - KM is SD and not an "adaptable" art to sport fighting. BJJ, although an incredible art, is much more sport-oriented (these days) and is of a different philosophy than Krav. I'll say from experience though, that training both simultaneously is a LOT of fun!