I bet if you're in law enforcement that you've heard that type of thought expressed before as well, when in fact, many crimes go unsolved and criminals go unprosecuted for lack of any real clues. In the same vein, how many of you computer professionals have acquaintances who think you can hack the DOD in seconds? Just like on TV?
Martial arts are no different. I can beat up 20+ big ruffians without breaking a sweat. Can't you?
Let's all get real.