Don't see that this has all the much to do with Training and Tactics for the armed private citizen, so let's move on.
If someone could convince me, by PM, that it is a worthwhile subject for discussion here, I'll consider re-opening the thread.
"It is long been a principle of ours that one is no more armed because he has possession of a firearm than he is a musician because he owns a piano. There is no point in having a gun if you are not capable of using it skillfully." -- Jeff Cooper