You think that, but when Github is down, or AWS-East is down, everyone just kind of endures it, waiting until it's back up. And life goes on.
[0] https://www.theverge.com/2021/9/27/22696097/hospital-ransomw...
By far, the most likely thing to kill you in a hospital is not the IT system but errors by the doctors and nurses. Or that you're too sick to save no matter what they do.