Also shows why having everybody "earn" a living off interest & investment income isn't feasible - if everybody's doing that, nobody's doing the work that generates the cash to pay the interest in the first place.

The best you could hope for is a younger generation of increasingly productive new workers being able to spin off enough profits to provide a return on the capital that generated that productivity. But the demographic time-bomb of relatively few Homelanders supporting relatively many Baby Boomers is going to upend that, and the stagnating productivity of the last couple decades isn't going to help.