the 'form factor' isn't the problem. a 'cool' tricked-out bike could just be cosmetics, tire size and suspension; and still have a legally allowed motor output and a safe rider.
it's the modifications to bypass power limits (some can go 60+ km/h, where the legal limit is closer to 25) or swap out motors for much stronger ones, and how reckless some people ride.
ballmer retired from microsoft over ten years ago.