The Geopolitical Impact of North Korea's Population Decline

If every person on this planet had a specialty and filled the quota of their economic requirement, Earth could handle 100 million rocket engineers. If these people were all doing functional tasks, then we would have colonized other planets already. The problem is large portions of humans on this planet do nothing. And that's what these people think. They become nightmarish despotic psychopaths who think, let's just get rid of people.