>>10935751Just knowing a field does not yield economic success.
It is applying the knowledge you DO have to provide a service or product other people will pay you for at a cheaper price than it takes you to provide it.
Can knowledge of astrophysics build a factory? Hire and pay salaries and negotiate labor contracts? Effectively market their production to a target audience or market?
Old polymaths were polymaths because they were wealthy aristocrats who did science or university to entertain themselves and enjoying their immense wealth they were born into.
They did not become rich because they were intelligent.
