When I'm wearing the Software Engineer hat, yes, the entire world can fail if a single nit is imperfect. But when we wear the Human Conversing or Persuading hat I expect and indeed enjoy seeing and using a more fuzzy logic. I expect more buffer and assume-I'm-not-an-idiot-kid-please-get-off-my-lawn-been-there-done-that-have-the-tee-shirt-thanks.
Compilers and CPUs are the world's most productive utter idiots. The best engineers adjust their thoughts to see them and emulate them, but sometimes this backfires when they forget to exit that mode.