Degrowth

Interesting numbers. My own worry, related to the military one, is about the tech implications in general. It's easy (in theory!) to achieve autarky and then go for economic contraction while maintaining living standards (via redistribution). But you're inevitably going to get left behind by technology, which has always been a global game. AI is now supercharging this race, of course.

As this article hints, how do you get voters to accept that their currency is now too weak to pay for the latest gadgets? I agree it's going to have to happen one way or another, but still.