The SCARS Institute believes in 100% education. In real world combat scenarios, especially multi-fighting (more than one attacker), it is prudent to have full knowledge of a strike’s capabilities. Further, there does exist the possibility that another person may have the full intention of taking your life. Only you have the capability to decide whether or not using lethal force is appropriate to a given situation.
This is why, if you notice, the Extreme Starter Series has lessons for lethal and non-lethal hand-to-hand training.