Probably the people suing over the right to drive drunk as long as you don’t crash into someone and using the fact that most people who drive drunk do not get into accidents should get a portion of the blame.
Bro cars have a useful purpose other than killing people. Guns don't provide nearly the same utility as a car, and arguably no positive utility at all, in modern society.
We had this conversation actually, about a hundred years ago, that's why you can't just buy a car at a car show and drive it on public roads without a test, a license, and without following the rules. If Henry Ford fought more vigorously at the time, we wouldn't have this rules, and then all the excessive deaths would be his fault also. In fact, a lot of the problems with car culture in US can be traced to specific people and companies, and they have a big portion of responsibilities for excessive deaths.
And that's talking about a car, a car's primary usage is not a murder. You don't need to overcome any of those hurdles to obtain and operate a firearm in a lot of cases, and the firearm's primary purpose is to kill, so it's even less excusable.
And then we come to the second part of it. Why do you ever need to carry a firearm in public, what purpose can it server in a society, what problem it solves