What concerns me: 2008 Crash and how US Fed handled it means that they have to pump money into stock market for the next 30 years(20 left) until all the mort

What concerns me: 2008 Crash and how US Fed handled it means that they have to pump money into stock market for the next 30 years(20 left) until all the mortgages that they hold fully unwind. What could go wrong? Well, the US Fed track record for such strategies being successful over 30 years is vacant as it never has been done before! ie at least our problem with real estate-homes outpacing income gets worse