Almost any film that you do is an opportunity to open you up and make you more aware of an area that you might not be thinking about. That's what is kind of cool, or one of the cool things about this profession.
Every sect is a moral check on its neighbour. Competition is as wholesome in religion as in commerce.
What did Citibank get out of it? It got the ability to reverse the arbitrage. Actually, what they got was the ability to give themselves a profit, and that saved the bank.