"A more optimistic formulation would be that that represents millions of people who could be doing something a bit more generally useful than mastering the intr

"A more optimistic formulation would be that that represents millions of people who could be doing something a bit more generally useful than mastering the intricacies of the layers and layers of bureaucracy built up around medical billing. And probably wouldn't mind having a slightly less mind-numbing job themselves." The same could be said of coal miners. And miners probably didn't take on school loans to learn their profession. It's easy to handwave retraining millions of workers, but it's not that simple, and the jobs have to exist.