"But the maps have problems, starting with the fact that the car can’t travel a single inch without one ... all 4 million miles of U.S. public roads will be need to be mapped, plus driveways, off-road trails, and everywhere else you'd ever want to take the car. So far, only a few thousand miles of road have gotten the treatment .., The company frequently says that its car has driven more than 700,000 miles safely, but those are the same few thousand mapped miles, driven over and over again."
Not an insurmountable problem - may even just be able to park the vehicle where a diversion route is unknown and wait for it to clear, but still an issue to deal with.
You read that correctly. The sooner we have a huge portion of the population become unemployed and unable to find other work (because all similar unskilled labor is automated), the sooner we can start to seriously reconsider the notion that everyone must have a job. I predict that the day automated driving becomes the norm is the day the first unconditional basic income bill is debated in Congress.