I don't think you understand keynesian economics and are getting it confused with quantitative easing. Keynesian economics merely requires the poorest to be supported financially so they have money to spend. This means shopkeepers have customers, and the supply chain has demand, so the big guys can grow their wealth through economic activity, rather than passive investments.
an active and healthy economy allows the banks more confidence in lending to businesses rather than just house purchases. This slows the pricing out of individual home owners in favour of buy to let investors. It also increases investment into commercial activity, which creates jobs, which raises living standard. This allows for more borrowing from banks which creates more wealth, which creates inflation, reducing the value of outstanding debt. Everyone wins.
Lol...