An overstatement, but with points of truth.

Logic of Finance Can Banish Corruption (Part 4): Robert Shiller - Bloomberg: Those in the world of finance who belong to a higher caste -- because they are graduates of an elite college or are connected to a specific business culture -- realize an immense economic advantage. Fearful of compromising that advantage, they adhere to the caste’s social norms. They favor their own caste in business and reject those who don’t belong -- or who don’t respect the social norms. This promotes stability of the caste.