> why countries are letting those small, insignificant islands and countries manage all this wealth Some of the tax havens like Jersey, Isle of Man are British

> why countries are letting those small, insignificant islands and countries manage all this wealth Some of the tax havens like Jersey, Isle of Man are British territories, Curacao is territory of Netherlands. The big countries know what goes on on their little islands they just choose to ignore it for obvious reasons. Treasure Islands is a great book if you want to learn more about this.