You are joking right? Have you ever set foot in an IMSS Hospital? Describing it as a third world health care service is being generous.
Source: I'm Mexican.
Yes. And I've experienced the USA health care system also.
Health care that doesn't require waiting in a dingy room and health care that is effective at treating nearly every condition that modern science can treat well is not the same thing. IMSS will cure you or keep you from getting worse or dying at the same level of effectiveness as the USA's system at 1/30th the cost and you probably can get it for free.
I pay for private care because it's nicer and I don't like waiting, but that private care is very, very affordable also compared to the USA or Canada.
I won't say Mexican health care is perfect, but it is good and it is accessible.
Describing it as a third world health care service is being generous.
I've seen third world health care when I was in Guatemala. It's not just a matter of slow and dingy but of frauds, total lack of available services, dangerously unsterile practices, public ignorance of safe public health practices in both medicine and food handling, and a whole panoply of faults and dangers. And Guatemala is above the world's average income and about average in education/literacy levels. Mexico is not a third world country just because public services aren't as nice as we'd like.