Sure, for individuals or pairs roaming about in an RV, small homesteaders, etc.
How many tiny off-grid solar deployments are required to power the people and industries of a small city of two million?
Many acres of grain are required to feed such a city, why not many fields of solar panels, community batteries (roughly one per 1-2 hundred houses), smart grids, etc.
Yeah, these are the real questions IMO.
I think we're gonna see more and more EVs double as off-grid power banks, for example.