Software development fuckups can be just as fatal as manned space flight. Software is actually the cause of many space flight accidents. To think of software as some isolated system that does not affect peoples' lives is absurd. It's critical in many areas and can fail with fatalities.

https://en.wikipedia.org/wiki/List_of_software_bugs

- radiation therapy machine kills 5 - clock drift in Patriot system caused 28 killed - Chinook helicopter killed 29 due to bug in engine control - Toyota's electronic throttle control system caused dozens of fatalities