These days, the commercial banking system isn’t where the action is. Instead, it’s the shadow banking system that needs direct feeding to goose inflation—at least inflation in asset prices, and also to keep the debt service on the nation’s debt as low as possible.
Many mortgages have not just been modified once, but twice, and sometimes more. Loan servicers are holding higher-end mortgages rather than foreclosing a decade after the crash. Thus, there is plenty of shadow inventory lurking, waiting for the next crash.