[JumpCrisscross]

> Reich and Elizabeth Warren disagree with you

They argue that "nonbanks got their funding from the big banks in the form of lines of credit, mortgages, and repurchase agreements" and if "big banks hadn’t provided them the money, the nonbanks wouldn’t have got into trouble." But nonbank funding channels were already alive, well, and causing chaos in the 1990s (LTCM) and before (S&Ls). Sure, banks juiced the problem. But it didn't start the fire, it didn't bring the fire home and it didn't meaningfully alter the fire's trajectory. And there is no evidence that their large depositors would have sat there if nonbanks offered competitive rates fueled by their nonsense.

As we've seen this cycle, banks and nonbanks will chase yield when rates are low and credit is cheap. To argue that e.g. SoftBank wouldn't have SoftBanked if JPMorgan and JPMorgan Securities were separate misses the forest for the trees.

> securities firms selling CDOs backed by subprime MBS

Bank originates mortgage. Bank sells mortgage to securities firm. Securities firm issues as CDO. Nothing about this requires the lending arm and securities arm be under the same roof. Mortgage CDOs became a thing because of computers, not Glass-Steagall.

Proponents of reinstating Glass-Steagall are broadly well intentioned. But there are real financial regulations that have real impact that this discussion crowds out.