Violent behavior exists in one's psychological makeup much deeper than the level that receives information from television or movies.
It took us a long time to find out that we had been lied to by our parents' generation. The moralities that were followed during our parents' generation were basically arbitrary. This caused a rift between the two generations, which was brought on by the beatniks.
One must let the play happen to one; one must let the mind loose to respond as it will, to receive impressions, to sense rather than know, to gather rather than immediately understand.