He's not saying if there are too many, he's saying if it happens too fast. If all of our cars became self-driving tomorrow, and the American Trucker Association

He's not saying if there are too many, he's saying if it happens too fast. If all of our cars became self-driving tomorrow, and the American Trucker Association's estimates are correct [1], then 3 million truck drivers will suddenly be out of of jobs. We live in the real world so change doesn't happen overnight, but if truck driving becomes out-moded significantly faster than a truck driver could learn a new skill, then the displaced population will riot because they worked hard and did nothing wrong their whole lives and machines replaced them anyway. And this is true for nearly all blue-collar and some white-collar workers, whose jobs would be threatened by advancements and automation made in their sector [1] http://www.trucking.org/News_and_Information_Reports_Industry_Data.aspx http://www.trucking.org/News_and_Information_Reports_Industr... (2010)