Why not simply require them to use provided bikes they aren’t alone with?
At that level the bikes are usually custom made and certainly custom fitted.
Handing everyone a Schwinn Varsity won’t cut it.
I have a triple chain ring on the front sprockets of my road bike to help with hill climbing. There are cyclists I know who think that’s cheating.
The internal motor is brilliant but certainly is cheating.
Same reason NASCAR doesn’t provide the cars. The sport is as much about the vehicle and the crew as it is about the athlete.