We will indeed be safe surrounded by superheroes who can intimidate unlimited adversaries 24-7 for an unlimited period of time.

And so long as all future emergencies conform to those of the past, we can prepare by looking only backward in time. You know, getting ready for the "last war" about which we can develop near perfect information and specifics.

The potential reason for developing bug-out strategies would seem to be acknowledging your bug-in location might become untenable. If you do not think this can ever be a possibility, then I congratulate you on having an amazing bug-in location and this scenario is indeed irrelevant for you.