That notion is based on the misconception that for there to be very rich people, other people would need to be poor — that would resent you.
Economic science has pretty much proven that when the average income in a society is higher and fewer are poor, the economy moves more money and the rich benefit more as well.
Economic science has pretty much proven that when the average income in a society is higher and fewer are poor, the economy moves more money and the rich benefit more as well.