Lots of software falls into that category too. If software on the airplane fucks up...
Outside of fully autonomous systems like Bitcoin though, there is always (I can't think of a situation that there's not) a human to accompany the software in the case of such a malfunction. In which case we're back to human is mildly inconvenienced and if he fucks up, everyone dies.
Though, I do see your point. There is certainly a gray area to be explored.
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