Are Humans Inherently Greedy and Want More Than the Other Person?

Cadwell asks whether species that came into existence out of conflict can ever break free from that and live in a post scarcity society. Even if we have planet sized blobs of platinum, there still will be people who want more or want it all for themselves. The lesson aliens come to teach us is that there is always struggle that every society has to fight and struggle to survive. He thinks that humanity will never be able to throw off those shackles and grow into a utopian society.