Go ahead! Call me cold-hearted if you want, but this is a perfect example of political correctness gone awry! These people are handicapped for Pete's sake. Most are elderly, many VERY elderly! The scooters are meant to be TRANSPORTED TO THE STORE in a vehicle!
Ok then are you as angry about persons who walk to the store then? The use should obey all traffic laws that apply to pedestrians.
The user should also have the cognitive ability to use them. I'm not sure a cab driver would be take the liability of breaking one down for a customer. They don't just fit in any car either. Ever seen a city bus driver do that? No? They are built to go on floors, parking lots, and sidewalks. Oh and just because a person is handicapped doesn't mean they are mentally incapacitated. But they do have to eat just like you now don't they? How are they going to get their groceries then?