The document discusses how advertisers and banks exploit human irrationality for profit through asymmetrical information. It notes that advertisers know humans can't "un-see" ads and will be influenced, while consumers think ads are only meant to inspire. Similarly, banks know humans are irrational with money yet expect rational behavior, while consumers think financial responsibility lies with them. The document argues for a system like Hint that removes the need for rationality through personalized financial planning and contextual nudges to guide behavior improvement over time.