This is true in most 3rd world countries.
If you get sick, the last place you should go is to the hospital.
Turns out things had improved a bit since he'd lived there. Now they have private medical facilities with real doctors and sanitation ~ albeit with the requisite number of bug eating lizards climbing the walls.
Traveling in 3rd World countries, or even most better countries, its a real good idea to have Med Evac Insurance to bring you back to the States.
With all the hatred Mexico hears from USA, no wonder Gringos are not well cared for.