Their vehicles and radios make them feel invincible. To put it more succinctly: pressure from society is building, and individual levels of tolerance and self-control are dropping. Combine this with ever-easier access to things such as sedatives, which just put off the inevitable explosive release of anger rather than help cure it, and the number of aggression-related fatalities and injuries increases at a phenomenal rate.
綜合言之，社會壓力驟增，個體的忍受度與控制力降低，而助長憤怒暴力的犯罪工具、迷幻藥又唾手可得，在在使得憤怒的殺傷力倍增數十倍。