Nah, too obvious...
Along with other things like basic hygiene and living conditions, overall health of the populace, etc
WHy anyone would go to a turd world country like Mexico is way beyond me. Here is a country that is a dirty mess, with crime soaring and no real educated people, since those with any brains swam the river and are now working as lawn care specialists here.
After the war them we got half of Mexico, and we got the half with paved roads and a working sewer system.