There are 3.5 million truck drivers in the US. What are 3.5 million people going to do if they're suddenly out of a job and have to change career completely? I am far from being a Trump supporter, but it would be easy for authoritarian politicians to ride to the White House on the grievances of millions of voters who had their livelihoods taken away from them by automation. Trump's promises to bring back manufacturin…
Retire, given the average age of a truck driver is between 45 and 55 depending on which article bemoaning a shortage of truck drivers you care to read. In practice, of course, 'under limited conditions, maybe' isn't going to automate away 3.5 million jobs, and we still hire people to drive trains despite full autonomy for trains being well-established reliable tech.