>>I lived in a Third World country for over a year with no electricity or running water and got along fine.<<
I bet you would talk differently if that cosy home of yours was located in in an area where there are cold winters and all facilities are electricity dependent.
Read the rest of that post. I did spend most of a winter in an area where there are cold winters and all facilities are electricity dependent — yes, with no electricity or running water, because that’s what invading armies do: cut both off. If it’s a civil war and they hate the people who live there, it stays off for a very long time.