Also very important: the cybertruck is not the only vehicle capable of doing that (the keywords are V2H and V2L, V2H is the more convenient — the car just plugs into the mains and acts as a house battery — while V2L means you have to go and plug your stuff to the car's mains outputs directly)

> Most of the disasters I'm aware of people either get their power back in a short enough amount of time that they can use a normal generator for the gap

TBF an EV car has an absolutely massive battery relative to the electric consumption of a house, unless you're using resistive heating all around. Especially if you ration use.