It transfers about a half a trillion dollars each year from the folks at the bottom to the folks at the top.
Again, I absolutely love it when guys like you suddenly become free market libertarians when it comes to immigration. Hey, it's what the market dictates! The Holy Free Market has spoken!
With a bit of social Darwinism mixed in, too! Hey, those native-born Americans will just have to adapt or die! Mmmmmmmmmommy!