Why is scarcity of resources not discussed in this article? There’s a curved frontier where the return on yet another human to a geographical region or virtual

Why is scarcity of resources not discussed in this article? There’s a curved frontier where the return on yet another human to a geographical region or virtual grouping is negative. Too little people and you can’t do much, too many people and everyone is eating each other. The data on elites preferring not to work harder for a promotion is irrelevant. They’re not working to be richer, they’re working not to be poor. The terror of being poor after growing up in comfort is aggravated by a lack of social services safety net in the US. Lose your job, have a medical emergency and you’ll die without private health care. It’s a brutal system.