A foot path should have all motorised vehicles limited to 4 MPH, and the mobility scooters for use on a foot path are so limited, on the road they can do 8 MPH, and with an ebike on the foot path only permitted walk assist again limit is 4 MPH on the road limit for electric assistance is 16 MPH.
The ebike needs brakes on all wheels, and when going over 4 MPH the motor can only assist, early versions were allowed a throttle but that was stopped, and it is the assistance part which means scooters can't comply.
So be it a bike, mobility scooter, or scooter the big question is does it really NEED pedal assist or can will allow over 4 or 8 MPH without pedals, there are mobility scooters which can do 8 MPH, but only the disabled are permitted to ride them.
The hire of the scooter was to allow people to see how it works, and have the ability to withdraw the licence, but why a scooter not an ebike?
Well in the main it is being able to transport the bike/scooter to where you want to use it. And the ebike is too large and heavy. I can put my ebike on the local train costs £3.50 same as a dog, but needs to fold really to fit all carriages, and I can't carry it on a bus, I can't carry it in my wife's Jag, but will fit in my car.
So what we want is bike racks on buses so one can use an ebike, then no need for scooters, technically I can't even use my non motorised scooter on public roads in the UK, as it only has a brake on the rear wheel.