This pattern can be seen everywhere...
1) politicians regulate an industry with the best intentions
2) industry becomes a safe haven for "the big fish" that can pay to play
3) Rinse and repeat for a while, creating bigger and bigger barriers to entry into the marketplace. Politicians are happy, mega banks are happy.
4) Megabank inevitably does something reprehensible
5) politicians slap them with some fines. Fake remorse ensues...
6) go back to step 1