That's probably just an illusion with respect to electric motorcycles. All high-performance motorcycles have way more than enough torque to overwhelm the traction of their one little tire. They are _all_ "artificially slower" because the launch controls are trying to keep the rubber on the road. You'll note that the fastest production electric motorcycle is near the bottom of this list:

https://en.wikipedia.org/wiki/List_of_fastest_production_mot...