"Now the head, the groin and the shoulder areas are considered red zones, aka no hit. Why? They can kill. "
A hit to the groin could be considered potentially fatal?
Forgive my ignorance, I haven't had any kind of medical training, but I was under the impression that the only time a blow to the crotch has been fatal was in this Mortal Kombat fatality:
[youtube]https://www.youtube.com/watch?v=83nMi9xUies[/youtube]