Because the humans in New York, Phoenix, Los Angeles and San Francisco frequently cancel rides, get lost, drive unsafely, pitch me on their religion and smell. (They also must be tipped, at which point the Waymo is the same price or cheaper than the human-driven ride.)

When I have the option of a robotaxi, I pay a premium for it. It’s novel. It’s fun. But most importantly, it’s safe, punctual and comfortable. Otherwise, I'm fine taking a human-driven car. Having more options makes those cities a better experience.