NDN is dead-on correct. Haven't met a civilian yet that would be up to a firefight in a crowded classroom or on a crowded plane, regardless of the shooting school they attended. Have had some claim that level of expertise yet somehow couldn't demonstrate said expertise on the range....
Hell, we've role-played this stuff in a civilian class for years with dummy weapons and they all--- failed--- miserably. The teachers and pilots I've taught were serious about it and had good intentions yet were regrettably not up to the task at all. My 1 cent......
