I agree. If the cost of labor rises, robots or software will appear in the marginal cases--expensive at first, but not ultimately--and supply, demand, and pric

I agree. If the cost of labor rises, robots or software will appear in the marginal cases--expensive at first, but not ultimately--and supply, demand, and price will reach equilibrium again. The world is a complex place. It's very silly to look at one piece of the system (people are living longer and having fewer children) and presume that nothing will actively respond to those changes.