Because they most likely lead a happy (and possibly leisurely lifestyle by our standards) already. http://en.wikipedia.org/wiki/Original_affluent_society http:/

Because they most likely lead a happy (and possibly leisurely lifestyle by our standards) already. http://en.wikipedia.org/wiki/Original_affluent_society http://en.wikipedia.org/wiki/Original_affluent_society Perhaps a more interesting question to ask is why would anyone want to switch to civilization? It has really been all downside (except for the wealthiest few %) until very recently in history.