It's been a long time coming, and that's why the lily-white Mexican elite desperately want as many mestizos and indigenous Mexicans to go to the US, to take the pressure off of them.
I said this 11 years ago when we had large immigration protests here in Phoenix. Observing the protest from my place of work near the capital, I said to a liberal co-worker, “These protests belong in their own country, not here.” Surprisingly, even she agreed.