The LA Department of Water and Power's overbilling scandals are epic. DWP is one of the least accountable agencies in the city. When it said it was cleaning up its act, it reached out to a Chicago attorney and cut a deal to allegedly pay ratepayers back.
No man is an island. Surely you want to be linked up with neighbors in case of emergencies like earthquakes and fires. That way, when the crisis is over, you can return to your hermetic ways in one piece.