Planning to create a plane that fills this space is planning to create a plane that suffers a lot of accidents for almost no real gain over current options.
Buses are incredibly safe. If you want better busses, build those instead. This obsession with floating to your destination above the ground does not seem wise or worthwhile.
There's no need for larger planes either for zero-risk travelers.
Fuel is not the dominant cost in general aviation. Electrification alone won’t make it cheap.
It's not about fuel efficiency. In fact, any electric aircraft with current battery tech is always going to be less efficient than a jet, because jets burn oxygen from the air.
It's about maintenance. The fixed hourly cost of aviation is almost entirely based on the cost of maintenance. And a fleet of electric aircraft will be orders of magnitude cheaper to maintain than turboprops and jets. That can unlock whole new business models of small scale commercial aviation that aren't possible today.
I can see it becoming more of "Greyhound for Helicopters". Practically every town in the US greater than a few thousand population has at least a local municipal airport. With electrification, aviation can become so cheap that all of these fields will just have a few commuter size electric aircraft that feed into to the rest of our existing airport infrastructure. And with the planes being so small, there's really no need for TSA security or anything, it becomes as simple as buying a ticket on your phone and hopping on the plane like a bus.