Automation is certainly a concern. It'll be interesting to see how much of the industry can go "humanless", even if it goes autonomous. One other thing I learned at the foundry; the machinery needs babysitting. A lot of babysitting. Sometimes you still just need a husk made of meat human to check and add fluids, do the pre-trip inspection, do the air-brakes test, put air in the tires, secure the cargo, move the cargo, change a light bulb, put on chains, jump/charge/replace a battery, talk to the shipper, talk to the receiver, talk to law enforcement, talk to other drivers in the event of an accident or emergency, tarp a load, put up placards, connect tanker hoses, move the truck during a comms blackout, drain water from the air tanks, use the runaway-truck ramp in the event of a brake failure in the mountains, etc.
I have no doubt silicon valley is working on all of that, and a hundred other things I haven't even considered besides. Hopefully by the time they figure it all out I'll be in a position to move to something they haven't figured out yet!