3 links have been added on this idea.
  1. Tax havens are a bad thing for everyone other than the money maker. But yeah, who has power to close them down. Maybe Trump if he gets jealous of others who are making more than he is.

  2. Love this idea, there is plenty of room in the sea and plenty of countries that would love to attract billionaires – and now the tech is available to just make new artificial islands. You saw it here first I guess. Who will make the first one?