According to the game "Civilization" we do to keep the riots down! [img]graemlins/biglaugh.gif[/img]
But I agree, if the brain isn't stimulated, you atrophy. Entertainment of any sort (except TV for some reason) stimulates brain waves and creates those synapses that make us smarter. So, without that, we would not progress, and without progress, what would be our reason for being?
Just some thoughts.