The marketplace will drive this tech as it always does. I imagine at first there will be only a few believers. The cars will be expensive and rare. But once everyone recognizes we no longer need designated drivers when out on the town, everyone will get on board and the price will come down. Eventually driving your own car will be a lost art left to a few hobbyists and maniacs who go in for street racing on weekends. A few pedestrian deaths later and I’m sure even those die hards will cede control to the great AI under the hood.
Sure it will take away precious freedoms, the same type of freedom the no-smoking laws have taken away. You know, the freedom to bestow cancer on friends and loved ones. Effing left-wing, commie progressives. Always taking the fun out of life.