The unpredictibility is the key, however, not a lot of people are high in creativity and doing things that automated machines cannot mimic.
Drivers are one of the most common employers in modern society, and with an explosion of TESLA and huge reducibility in the number of accidents by introducing driver-free vehicles is going to be a threat to these people who probably won't know what to do, or have an alternative either.
I would like your opinion on what should people who don't have the capacity to engage in unprodictable work do?
Adapt or die. It's not an opinion, it's just how life works.
There was a very well paid job once, lamplighter. More than 100 years ago. The job itself disappeared but lamplighers adjusted.