Exactly. These people did not come to create new companies, employ people, come up with new products. These people came to London to party, not to contribute. They will take their party with them, but not their contributions - because there are none.

And have less super wealthy people buying properties that they mostly don't live in will lower property costs for everyone else. The only people who will lose is the ecosystem of lawyers, accountants, estate agents and assorted remoras that service the super rich.