Earlier quoted context omitted.
> Probably some 50% of the economy is pure bullshit that nobody asked for, just keeping each other busy. Obviously this cannot be true. "The economy" isn't some magical object somewhere, but the emergent behavior from all our needs, desires and faults. If something is truly not wanted by anyone, nobody will pay for the work to get done. That's the magic of the invisible hand of capitalism. Doing stuff that truly nobo…
I think OP's implication is not that nobody wants the 50% of pure bullshit, but that want is itself manufactured by the economy.
Is that an issue? There's not much demand for 8k ohm SMD resistors from people, but people do want smartphones that require 8k ohm SMD resistors to manufacture. The same applies for stuff like managers and other "bullshit jobs". Nobody wants them, but they're nonetheless required to keep the company/economy humming along. And if they're actually not required, then the economy that supposedly cares what's "economically most efficient" should have eliminated them.