So what if they leave? The Federal Reserve is in the United States, so is the political power, the military, the banks, the land, the factories, etc, etc, etc.

So what if they leave? The Federal Reserve is in the United States, so is the political power, the military, the banks, the land, the factories, etc, etc, etc. The US government can tax US citizens from anywhere in the world. The government can print or redistributed as much money as they want. A few people leaving a country and taking some gold with them won't matter in the end.