Earlier quoted context omitted.
Historically, aren't most earthquake fatalities due to fires? Cutting off electricity and flushing all gas lines with an inert gas seems like a prudent thing to do after a significant earthquake. Particularly in an environment like California, where it is unlikely anybody will freeze to death (keep the drinking water flowing though.)
Everybody thinks they need six nines. I'm really a fan of this bit: https://www.lowtechmagazine.com/2018/12/keeping-some-of-the-...
We struggled to reach “six nines“ for a reason.