because they will make 3x in their prospective fields compared to being in europe.  they already have western values.  mostly white, and most speak english.  less likely to extract gdp from the u.s. by sending it back to their country of origin.  will destroy the eu, because most european immigrants will be conservative, leaving them with shit skins, and white guilt retards.  eu is going to be taken over and run by muslims in the next 10 years anyways.
United States