Banks could be over-leveraged to hedge funds and private equity
Inflation could be lowered with elevated interest rates / an economic recession
The U.S. Federal Reserve system could be replaced with the gold standard, computer program, or be more accountable / transparent / audited
Economic stimulus / government bailout / relief funds could only go to citizens and/or productive businesses
Stock buybacks could be price-sensitive or not be done to go to R&D / rainy day funds / increasing employee pay / M&A instead
Too big to fail banks could be broken up
Layoffs could be avoided during downturns