Bragging about that awesome guy all day, how can so many rich people immigrate?

Because the rich people (no matter how they get the money) deeply know that the world outside the wall is the world where human beings should live and survive. Our world is unsafe, dark and unfair. The most fundamental reason is the reason of "them" who control our world: "They are not a group of people who represent your interests, but seek interests for themselves in the name of representing your interests"! This is it!