So, in an ideal world, people will only buy real estate and other strong long-term investments, and rather than eating, live off love?
Come on, I didn't say all spending. It's useful to not think black and white, either-or.
How do you suggest we build an economy with neither savings nor debt?
I haven't gone that far in my plans, but if you ask then I would say that in principle by just doing. Savings or debt do not build anything. Productive activity does.
Again, moderation is the key to stable progress. We cannot have utopia all at once (!) A lot of compromises are required.