Cuba banned the movie because it was bullshit and they didn't want their population getting pissed off wondering where their awesome health care was:
http://www.guardian.co.uk/world....d-sicko
Castro's government apparently went on to ban the film because, the leaked cable claims, it "knows the film is a myth and does not want to risk a popular backlash by showing to Cubans facilities that are clearly not available to the vast majority of them."
I've said it before, I'll say it again: American health care is fine. It's the insurance that is broken, and the new Obamacare plan forces us to deal with insurance companies. It's bizarro world.