If your extension cord had the amount of copper a mains line had it would have cost thousands of dollars. Now imagine if you ran these extension cords through t

If your extension cord had the amount of copper a mains line had it would have cost thousands of dollars. Now imagine if you ran these extension cords through to every neighbor in a city. And then there is a storm that takes some of those extension cords out. Then you have to have a truck with a cherry picker to get up there and fix them. Well then you need to hire people to do that. Then you need insurance to cover them. Etc.