Pretty much any person in existence is going to panic at least to some degree if you surprise them with a weapon. In any case, I wasn’t getting into the weeds about gun control with that, Im generally in favor of gun control myself, though with a few caveats, but what I was more trying to get at is that it isn’t unreasonable for someone threatening someone with a weapon to end up dead, not because I personally think they should be killed (I don’t), but because when you go out of your way to do something that is by nature going to provoke one heck of a fight or flight response in people, some people are going to fight, and in fights people sometimes die. A gun makes that more likely of course, but it can still happen regardless (such as if other weapons, like a heavy object that can be used as a club, or a car for that matter, are available, or if the attacker does have a weapon but the victim mamages to take it, or just from getting punched in the wrong place). Obviously the intended victim can go too far, like if they continue to attack a fleeing assailant, but in general, the responsibility for someone getting killed in that kind of scenario is primarily on the person who caused that scenario, the attacker. Hence why we often consider someone guilty of murder if they commit a violent crime and someone gets killed as a result, even if that person didn’t themselves do the killing.