Earlier quoted context omitted.
Why the fear of opt-in competition? Nobody is forcing anyone to move to these places. What they are is an opportunity to try out new governance modes. They might work or they might not. I find the hostility towards people trying new things to be strange and misplaced.
I'd love to actively prevent people from moving to these places because it'll continue offshoring domestic wealth into tax havens. Honestly, this is the huge problem of our time - globalization has happened and the concepts of tax laws and taxation of value production haven't properly adapted. The US should be taxing all the value legitimately made in the US - if a designer in the US makes something that is then mass…
The point is to improve life for the 99% of the world who can't just move to a tax haven, by building prosperous cities they can move to. This is not just a theory - China lifted 500,000,000 out of poverty using Special Economic Zones to transform their economy over decades. Many countries aspire to the same advance in prosperity for their people.