There's another issue with psychological testing...people at one point in their lives may be just fine and then a mental illness or injury or whatever changes that psychological profile.
Are there responsible gun owners, yes. Can some of those responsible gun owners become irresponsible, unbalanced gun owners? Also yes.
Are there responsible gun owners, yes. Can some of those responsible gun owners become irresponsible, unbalanced gun owners? Also yes.
I'm your huckleberry.