All the electric transport industry needs is a quantum leap in battery storage technology and for aircraft, one that is not too heavy for aircraft. The rest is then just about infrastructure I think. There are technologies now that claim anything from 2 to 8 times the capacity of existing lithium cells now in use.
As for young folk, we had a friends grand daughter around yesterday, ski instructor, dive master and finance professional - she made a beeline to see “the project” and wants to claim first passenger flight.
Also, Sqwawk is right about young people and the STOL lightweight scene. Seems to be going well, unless it gets killed off by regulation.