In the words of the late John Kenneth Galbraith in 'A Brief History of Financial Euphoria' he stated that we oft times attribute too much intelligence to people who have money. Was Galbraith correct in this case?

http://kadamaee.ir/payesh/books-tank/18/Galbraith%20-%20A%20Short%20History%20of%20Financial%20Euphoria%20(1990).pdf