I hate that argument because it’s already been disproven. People use guns to kill people, often in heated situations.

If everyone wasn’t wandering around with guns in their pockets all of the time then they wouldn’t be the opportunity to shoot someone. Things would massively improve if the law was simply adjusted to not allow people to carry guns in public and they’re only allowed to keep them in their house and other authorised locations such as gun rangers and designated hunting locations. The gun nuts will still be able to play with their toys, but the murder rate would drop.