And it's not like this is phenomena isolated specifically to TN, or the South. There are people with mixed up priorities (if they're neglecting children, etc in favor of a truck, for example) everywhere.
Again, not isolated to restaurants. This could happen anywhere. A missed shot is a missed shot, regardless of locale.
Brady, VPC, and FSA and their ilk have been making that EXACT argument for years in opposition to legal carry. Not just in restaurants, but in stores, businesses, parking lots - hell, everywhere. But despite the surge in firearm sales and carry permits nationwide, this has just not come to pass.
She has to be from Kalifornia then. If she was from Tennessee she would have been drunk, in Daisy Dukes and a halter top, on top of the bar yelling and whistling through the gap where her two front teeth are missing.
The instances of "friendly fire" by permit holders is so low, it barely deserves mentioning. Granted, one is too many - and I sincerely believe that - but this is a scenario that just barely ever happens.