People always underestimate the ability of earth to increase its carrying capacity.
It's a finite and very competitive world. All large aggregations of capital eventually find it hell on earth to grow and thus find a lower rate of return.
You could argue that [the decline of public schools] is one of the major disasters in our lifetimes. We took one of the greatest successes in the history of the earth and turned it into one of the greatest disasters in the history of the earth.