Have you visited Mexico City? Your view of Mexico is likely colored by media (particularly social media) and the on-the-ground reality can be quite different.

While it’s not the best run place, it is perfectly capable of large scale infra projects and state capacity and capability is pretty well developed.

Tu entendimiento está tan equivocado que no veo ni siquiera por dónde comenzar a debatirlo, quizás si primero sacas tu cabeza de tu trasero y empiezas a conocer el mundo sería un primer buen paso.

Couldn't you say that about pretty much any government and people?

The wealthy parts of Mexican cities are substantially more well-managed and upscale than the poor parts of American cities.

Of course, on average Mexico is poorer, has a lower GDP per capita, and so on. But the level of ignorance among Americans is astonishing sometimes.