Do you think the mass shootings are a symptom of a broader system, which has depressed the will-to-live of people who are suffering from poverty, addiction, stagnant wages, and societal anomie?
So you're basically saying that there is a subset of the population who could be described as an incel based on their relatively low demand on the sexual market and relatively low social capital among peers. What placates their aggression are entertainment and games. Interesting