Pot. Alcohol. Texting. Talking on the phone. They all impair you terribly while driving. That does not require prohibition. That requires taking the human out of the loop for driving ~2.5 tons of metal down the highway.
And then we need to look at "What happens when we have 5 million people unemployed in a short time, due to rapid advancements in automation?" The Democrats aren't looking at this, and nor are the Republicans. Really, no party is looking at this. We have a few economists and scientific-y types talking about Mincome, but aside some experiments in Europe, it's being drowned out.
What do we have that can absorb such a hit on our financial system and not drop in a recession? How do we make sure these people don't simply sink when the 'bots come to take their job?
They won't so much sink as they will just never float.