The problem with this is many.
Not everyone is smart enough to financial expert, computer engineer, software developer, Nurse, doctor...
Low skilled labor jobs like farm hand in the 1900s were sent to factories, and plants, but those same people might have an extremely hard time adjusting to a highly technical job. Even i had some troubles passing my various slew of licensing tests, my uncle who does construction would have been absolutely fucking dumbfounded by most of those questions.