Commentator JR in NC explains . . .
"The point of returning fire, of having the ‘ability’ to return fire, is not to magically have one armed citizen kill five terrorists armed with full auto AK’s.
The point of returning fire, any fire at all is … RETURNING FIRE. It is “disruptive,” and it takes total operational control away from the terrorists.
There are many ways this could be beneficial.
** You could hit one the terrorists and wound/kill him. That changes the good guy : bad guy ratio.
** You could provide sufficient diversion for at least some of innocents to escape.
** You could provide sufficient diversion for some innocents to fight back somehow, even without firearms.
** At the very least, you provide a psychological thorn in the minds of people expecting total operational control. You get inside their OODA Loop and wreak a little havoc. It may be temporary, but it is something."