I'm guessing this Walter Isaacson bio is going to be a puff piece. I think he picked the most critical excerpts to get attention early but then he walked back the Ukraine one and sends cnbc this drivel.<p>My main reason for this prediction is looking through his likes on Twitter he seems to have embraced Elon's circle of sycophants.
So they switched from A* and other algorithms to neural network for navigation.<p>This may be the right approach... but this also means when something goes wrong (such as an accident) they won't be able to figure out why it happened.