In my city (Boulder), e-bikes are essentially banned on bike-friendly trails. A bunch of 70+ year olds are mounting a campaign to get that overturned, because they want to be out there on ebikes and access the trails like everyone else, even if their physical capabilities are a little bit lower than younger people.

Also, you can put "car seats" on many cargo bikes. You can tote around a kid safely on an ebike starting from about 1 year of age.

How many people do you suspect aren't capable of riding an e-bike? Clearly there will always be some people it doesn't work for, but that is pretty much the case for any kind of accomodation.