It’s simple, gun companies in America want to be as rich as they can be. If they have to do things like take time to evaluate who should be allowed to buy weapons or how long it should take before an individual receives them, they make less money than they would have. So instead, they make sure the time from wanting a gun and getting a gun is as little as possible.
The claim is further that going through someone’s mental history, or being disclosed details of treatment would be violative of HIPPA laws. I say, when you’re about to give someone a weapon that is basically designed for nothing else but killing humans, maybe you look into past treatment if someone saw a doctor because he was having dreams of killing every school child. Ask the question of the health professional first, and if it meets the criteria when you get more details.
That's what is even taught in business school in germany at least. First goal of every company is maximizing profits and to attach your whole thinking around it.