LOL...that is because we are less likely to say "Freeze MFer".....and some of us like Squantos are better shots.
;>)
The LEO or CHL/CCW sort that has never been in pucker factor sh*t and go blind mode would do at best a fast failure drill of 2 to the A zone and 1 to the head , sweep left and right for additional threat and lower their muzzle to look and access their hits.
The victims and victors of violence past club would draw and walk to or approach the target while firing fast and accurate and continue till they run dry or (for the best of em) counting their rounds for a perfect speed reload on the move.
I'm still of the mindset that when one is assulted by a animal that considers you and yours prey. Get medevil on the SOB ...be it with a Club or a Colt get crazy assed ugly, loud and scary and remember that it is much better to have only one side to the story and the forensic evidence of facts and truth when all is said and done.
Taxpayers get a better deal from a CHL Citizen who stops the threat as it's encountered and can't be avoided......for ever and for free.
Stay Safe and remember the handgun is a temporary tool till ya can get to the 12 gauge !