Blind, old, drunk people, people with kids and or lots of groceries, people traveling long distances, and actual kids cannot simply take an e bike (I have two and love them btw).

People going on ski trips or with significant luggage cannot hop on an e bike.

So I for one welcome the reduction in pollution, cost and human error an electric autonomous car can provide.

I also think that vehicles could be much smaller, but still electric and autonomous vehicles which would agree partially with what you seem to think would be best.

A autonomous electric capsule that is weather protected traveling in its own protected lane programmed to go anywhere in a city seems ideal. These would likely be more efficient than buses and more precise in destination.

I’m astonished nowhere has done this, at least to my knowledge