If people are worried about recoil—as the article suggests—then that probably means they aren’t that handy or rookies with firearms anyway. With an intruder, they’re gonna be to nervous to “take a bead on someone” with a smoke stick shooting a .45ACP. They probably won’t have much target discipline—which is why a shotgun is the original point and click—just point it in the general direction and you’re bound to hit.