How does anyone come to inhabit a cultural cosmos where gleeful violence is a desirable and positive value? Many people have been living in a separate world which could at least be aesthetically defined as fascist for a long time.
Elaborate cultural rituals get us to put our hatchets down and initiate palm-to-palm relationships. Cross-culturally only War works as it has a chance at triggering simultaneous hatchet exhaustion exposing a palm-palm synchronicity. War is bloody, but it is the Basic Protocol.