In what condition was he “getting up” - you make it sound he just popped up and ran.
The woman was able to run away with her kids. He didn’t even manage to steal anything as intended. Very possibly this thug may have dragged himself out like a drunken fool and eventually made his way pathetically to his car.
He was pretty well disabled, no matter what the nit-picking here about how powerful her gun or ammo.
It's not "nit-picking." It's after-action analysis, and if you don't understand the value of it, you don't need to be offering opinion to those of us who do....