If we're going to fully enclose and automate them anyway, we can probably have the cars going much faster and closer together, and save energy (and make it easi

If we're going to fully enclose and automate them anyway, we can probably have the cars going much faster and closer together, and save energy (and make it easier and safer to keep them that close together) by having cars going the same direction attach together. And the automation would be easier if we just had like different sets of cars on fixed tracks, with splits for when people need to go different ways. And at that point why do you even own your own car, they should probably be owned and operated by the government or a large public corporation. And...