They are fundamentally different from bicycles, but I agree they should not be allowed on sidewalks.
If you simply generally forbid cars from the city (with some exceptions), there would be plenty of room for delivery bots, pedestrians, sidewalk cafes, bicycles, etc.
If you simply generally forbid cars from the city (with some exceptions), there would be plenty of room for delivery bots, pedestrians, sidewalk cafes, bicycles, etc.