Not connecting to the power grid is completely unrelated to whether or not you are connected to other people.
Devine and their partner are very community oriented and socially connected.
Devine and their partner are very community oriented and socially connected.
If that was the only thing that “living off grid” meant, then you’d be right. But it’s being used in this case as a shorthand for many things that don’t involve power grids.
to your original point, though, none of those "many things" is solipsism or total isolation.
we are talking about a specific article and specific people. there is no generalization here.