Linux is still not viable for creative work, office work or competitive gaming, 3 of the most important uses of computers.
I’d love to see Linux be more widespread, but until I can play any game, use my required abobe products and run Microsoft office it’s pretty much a useless operating system. Open source alternatives don’t exist for many uses, or if they do they’re a significantly worse experience
Generally these computer systems do access control, patient charting, intake management and most other critical functions, just like the rest of the world.
Blood banks and controlled medicines are likely gated behind access controlled doors, and without either it could cause major impacts to the ability to save lives