Oh, I see, this is a comedy thread. Carry on!
Last I heard, we don’t have to worry about the long term future. In 2045, we will join together with our AI brothers and cast off the shackles of fleshly mortality. In the cyborg utopia to follow we won’t need food, medical care or any of the current drivers of our economic system.
Skyrocketing prescription motor oil costs will lead to an epidemic of ground gears, though.