Yeah, that's what they tell you people, but-Research suggests it's largely because they're anxious about their ability to protect their families, insecure about their place in the job market and beset by racial fears.
I tend to think the overwhelming anxiety comes directly from their rotten teeth and the resulting systemic bacteremia caused by abuse of sugar and wheat and alcohol and antibiotics.
Self-induced Berserker Syndrome.
That is a testable hypothesis. If we could do the research.
But hey, since we can't- let's ask more gun freaks their opinions on neurological and cognitive processes...