Not so dumb. The article doesn't identify the person or her location.
Perhaps she practices martial arts, and simply carries the firearm to keep thugs from trying something stupid, wherein she has to apply the ninja death touch®, or some such immediate termination technique.
I've trained many such people, and many of those appear less intimidating than this lady, with or without the firearm.
Uh huh! yeah, ninja death touch, big comic book fan?
She’s in a supermarket, in public.
I wouldn’t care if she mastered formlessness, it’s an invitation to nothing but bad.
I stand by what I said, it’s dumb