This is a serious joke of a drill in that it is of course ridiculous, but it is certainly helpful in cultivating the type of aggression needed to survive an attack from an ambushing predator. Bad guys ambush with incredible violence in a fraction of a second, and we must respond in kind if we hope to keep from being victims. This drill is not about martial arts (though skilled technique is of crucial importance), rather it is about training that inner rage button that good protectors (police, military, or responsible citizens) must possess.
For those civilians, cops, and military persons who want to defend themselves and others, it is critical to get good training. Accomplishing this though can be a bit elusive as the next question follows: What type of training do I need. Sadly most simply buy a gun and call it a day. Others still ...
Is carrying your firearm in the appendix configuration a major threat to the propagation of the human race? In this video John Lovell addresses other carry options and the dangers they pose.