David B wrote:
It doesn't have to be London bus drivers. It could be any bus drivers and
the could do it on their day(s) off. It can't take that long to learn how
to operate a train that drives itself.

Presumably all drivers of even ATO trains must be capable of driving them
manually, as well as dealing with door problems, pax alarms, train radios,
fault finding, etc? It may be easier than in the past, but it must take
quite a bit more than a few days of theoretical training.