Hospitals or healthcare insurance is so regulated?

you could go to a store, see a menu board and order an MRI with upfront pricing

Can you explain this? From what I understood, there is no upfront pricing because insurance companies are slow to provide a price. If there is no insurance company involved, then hospitals would be able to tell you the price.

Did you not have to pay a deposit for renting something?

This is why I bought/own my own modem and my own router, and I known that the modem doesn’t come with an access point feature.

Survivorship Bias