"Automation of trains" has been state of the art for decades.
Half-automation is everywhere. ETCS is capable of doing it.
You can even do it with LZB ("AFB"), which goes back more than half a century.
The driver becomes more of supervisor. He only has to press a button at each stop, and that's it for regular operation.
Sure, full-automation systems are rare, but they exist and are on the rise.