However, praising his actions is one thing... critiquing his proficiency is another.
Practically emptying your magazine in an attempt to stop the assailants is hardly a "good shoot". There is no way to know what the next move will be of even fleeing criminals.
If he was using a more "fiscally responsible" caliber, such as the .45 ACP, one or two rounds properly placed by a well-trained shooter would have ended this even faster while still leaving the responsible citizen with ample ammunition to attend to additional or unforeseen threats. The .380 is simply too sleek a caliber upon which to bet your life (or others')... in this case, "better than nothing" is as much praise as I can offer with regard to proficiency and efficacy.
That being said, this guy is a f**king hero. We need more like him (with .40's and .45's, of course). Indeed, if you're not armed, you are practically begging to be a victim.