Given that the discussion at hand involves an inappropriate exercise gone wrong and your videos involve "armed citizens who faced criminals/terrorists" they aren't IMHO really "relevant to the topic at hand". But I think I can your foursquare behind the standard, NRA approved, 'guns are good' stand.
People grounded in reality would prefer to learn from real cases, rather than from a fantasy written by an anonymous anti-gun dude on the Internet...just sayin'.