According to the Book of Genesis, humans have been killing each other ever since Cain killed Abel out of jealousy. Over the centuries, we’ve gotten very good at it. Individuals kill each other over love and greed and hate and various other emotions and desires. But the most efficient and effective killers have always been governments — as one group justifies its desire to destroy another group and take what it has.
If we’re going to live in a post-statist world where the sprawling nation-state goes away, we’re looking at a future in which independent jurisdictions will be smaller and less homogeneous. It’s a perfect recipe for a continuation of the bloody conflict that’s haunted humanity from the beginning. Are we setting up a return to the feudal warfare of early nation-states?