> The reason why the masses should consume is to motivate them to work.
The masses work because they want to consume, not the other way around. Everyone wants more
> But if you imagine a sci-fi world where machines can build and do everything humans can do, the concept of a human-centric economy would be pointless.
There’s a number of obstacles I can think of to get there, in a human governed world, where humans make the buying decisions
Yes, the transition is unlikely to be linear and without conflict, if this was ever possible. But I am sure that some would be happy to control armies of bots and very few humans.
> Everyone wants more
Not true at all. If I could work two days a week for 40% of my current income I would take the opportunity in a heartbeat and would be much, much happier for it. Unfortunately that option isn't available to me, nor to most people.