I wonder how much software is in this system? Obviously not much, after looking at HN over the last many years: -Ransomware attack - pay or we turn off your hea

I wonder how much software is in this system? Obviously not much, after looking at HN over the last many years: -Ransomware attack - pay or we turn off your heart pump! -The system will now shut down, ok? Over a whole year of operation seems to be a pretty good test of system hardness.