Earlier quoted context omitted.
> is that just playing with words? It conveys reality, that "fail-safe" isn't literal, as if anyone believed that.
I mean it has to be play with words or tongue in cheek simply b/c the assumption of a fail-safe system failing is already contradictory. So you cannot say anything smart about that beyond - there are no fail-safe systems that fail.
Fail safes do fail. Often due to severe user error.