Number 2, Americans have the most spending money on average compared to any other country in the world.
Number 3, the most important technology and cultural advancements come out of the US; the US is where its happening—in a city like New York you can get the best of anything in the world, and then some.
So no, Americans who make a lot of money live the best lives, and never want to leave. It takes some cahunas and some wits to make it in the US, not everyone can cut it.