>I don't think self-driving cars are realistic at all
They said the same thing about a Computer beating a Human at Chess or Go, or Radiology, or countless other examples. I don't see why a random person on hackernews would be any more correct than any of the previous naysayers.
This might be more like turning lead into gold, which after (at least) several hundred years of effort we can do now, with merely completely absurdly uneconomic and unpractical levels of effort and energy.
They said the same thing about a Computer beating a Human at Chess or Go, or Radiology, or countless other examples. I don't see why a random person on hackernews would be any more correct than any of the previous naysayers.