Past performance a predictor of future performance
Have a look at what has changed in the last 100 years in aviation; the last 20 years in computing; the last 10 years in communications.
Telsa's autopilot is commercially available now. Very sadly killed a guy, and people are still buying them faster than they can be produced!
The only reason for drivers remaining on trains is industrial (E.g. Sydney Metro. They're still getting rid of conductors).