I’m sure that there are studies out there that would prove or disprove that theory.
I think you are right. They would prove the assumption correct.
There are actually VERY FEW crazy folks who are crazy enough to not care about getting shot by someone else, even if they plan on offing themselves at the end.
Especially if the idea was to go out in a blaze of glory only to be eternally turned into the schmuck who got curbstomped for being an idiot.