you didn’t bother to read the meat of the article once you started after the red flag. Since there are certainly different types of intelligence, remember plumbers, roofers and all sorts of different contractors are also part of the service economy.
I am aware of that. It almost seems the goal of the neo-nobles of the U.S. want those outside of their class to compete with each other till they basically get their services free.
With a large manufacturing base we can be assured that children who can't become doctors, lawyers, plumbers, electricians, etc. have a place to work and raise a family. Not to mention, should there be another world war, have a place to tool our defenses.