It’s Helium, it’s not exactly rare.

Its a superconducting magnet that cannot be instantly shut off. I am sorry that the physics of this makes you so angry.

Depends on the machine type. Closed bore machines (the vast majority) use supercunducting electromagnets that are surrounded by liquid helium that creates a very strong magnetic field. To demagnetize them requires dumping the helium.

Some open bore machines use electromagnets, but they're much less common and not as powerful.

The US is an outlier in how it charges prices for healthcare services.

But every country in the world has prices charged for cold liquid helium. It's very expensive to gather, process, store, and ship, regardless of what kind of health care economics apply in your country.

I'm sure he was barely trained and had specific instructions to "never push that button!" When you whole life in the country is tied to your employment, it's every moron for themselves.

It's not an electromagnet, it's a superconducting magnet. And turning it immediately off makes it melt.