Marjoe Gortner is something to behold in this as he dramatically torments the workers and customers in a run down diner.
It's obvious this was adapted from a play, but boy, that must be one hell of a play.
Every woman is treated like an insignificant object, so much so that they are made props in the make believe movie the crazed vet forces them to act in. And the men are all trying to be "macho" in different ways, that only work in their imaginations.
This has a lot to say about post Vietnam America and it's loss of anything that can even be regarded as a hero. It's just a bunch of idiot men playing cowboys as the women silently suffer most of the consequences.