The rich hold two trillion in cash they are not willing to invest. Trickle-down economics has been shown time and again not to work. The only way to get money out of the rich is to tax them. And tax them heavily.
Three non sequitars that make no sense together.
As for spending, future generations (including the rich) will have to pay for the excesses of the current generation. Income and asset testing will have to become the norm for entitlements. Lower graduated scales for future state benefits are something you will have to get used to.
You have been living beyond your means. Welcome to the real world.
This is something some of us have been arguing for a long time. Good to see you catching up