We teach a little of ALL subjects. Germany, and those countries have you go down a path of just learning what you need for your future job. It costs more, but it gives the student a choice of what they can go into.
Most of the rich inherit their wealth. https://www.fool.com/the-ascent/personal-finance/articles/study-shows-only-27-of-wealthy-americans-are-self-made/#:~:text=According%20to%20data%3A,wealth%20or%20an%20affluent%20upbringing.
Eating KFC on Christmas could be a thing here in the U.S. too if they would cut the price down. They are super expensive around here.