If by "best" you mean "more job opportunities." That's always been true, and earlier migrants always hate the later migrants. At most, you could say that the p

If by "best" you mean "more job opportunities." That's always been true, and earlier migrants always hate the later migrants. At most, you could say that the preference of living in the city vs. its suburbs flipped compared to 20 years ago, which had previously flipped when cars made suburbs commutable.