It's not just that it's too expensive. It's the uncertainty. No one knows how much anything costs until you get the bill several months afterwards. Every time you go to the doctor, you're giving them a blank check.
She was foolish enough not to take out travel insurance. There was no way she was getting a medevac so a park ranger watched over her for a few days while her body was fighting death.
This is why you should always have travel insurance because outside of Europe the first thing a doctor asks for is a credit card.
Doctors and hospitals in Australia dont ask for a credit card before or after you leave.
There are many other countries around the world who dont ask, not really fair to paint the world that way.
If something happens to me here I go to the hospital, fill out the intake form, get treated, and maybe get given a followup appointment with my GP. That's all, there's no payment required.