Sam was in Manhattan NY this week and he didn't do any driving while there because of all the traffic. So he took the subway. Sam says that in Manhattan, Autonomous Vehicles are a prime application to better the flow of traffic. But he also says it would be a terrible thing in a lot of ways. One company could dominate, but that would be a monopoly and a bad thing. Imagine bad actors infiltrating a single company's AV fleet. That would be disastrous. Several different car companies with diverse technologies would be safer, cheaper, and likely more efficient.
Sam also says that Elon Musk's Boring company would be ideal in an urban environment for delivery trucks. Terrible for moving people.