I wonder if psychopathy/sociopathy/narcissism is the result of pro-longed inter-generational stress and isolation. Someone growing up say in a war zone and bein

I wonder if psychopathy/sociopathy/narcissism is the result of pro-longed inter-generational stress and isolation. Someone growing up say in a war zone and being exposed to violence constantly from a young age would be adapt to shut down empathy.