You're assuming redistribution wouldn't happen through heavy taxation of existing capital and property, like France's wealth tax[1], where you pay when your worldwide net worth is above 1,300,000€.
2.
The US taxes citizens regardless of where they live[1], and in the case of renouncing the US citizenship it is required you pay an exit tax[2] equivalent to the capital gains of selling all your property when above $680,000.
You're assuming redistribution wouldn't happen through heavy taxation of existing capital and property, like France's wealth tax[1], where you pay when your worldwide net worth is above 1,300,000€.
2.
The US taxes citizens regardless of where they live[1], and in the case of renouncing the US citizenship it is required you pay an exit tax[2] equivalent to the capital gains of selling all your property when above $680,000.
[1]: http://www.french-property.com/guides/france/finance-taxatio... [2]: http://hodgen.com/does-the-united-states-stand-alone/ [3]: http://www.irs.gov/Individuals/International-Taxpayers/Expat...