Bad comparison. You can buy renewable from your electricity provider so the entire 'being green' factor goes away in this comparison. People buy Teslas because

Bad comparison. You can buy renewable from your electricity provider so the entire 'being green' factor goes away in this comparison. People buy Teslas because they are fun to drive/nice cars and they get environmentalism bragging rights. There is nothing special about a solar roof compared to paying the utility for the renewable source.