Thus, racking the shotgun does serve notice that the person is armed, which does then lead to exit on the part of the BG in many cases.
I'm not saying I doubt you but have you ever actually KNOWN this to work? I've never seen or heard of it outside of Hollywood and internet lore.
Still happily answering to the call-sign Peetza.
The problem, as you so eloquently put it, is choice.
He is no fool who gives what he can not keep to gain what he can not lose.
-Jim Eliott, paraphrasing Philip Henry.