It's a load of [censored]. There is a difference between a small motor on the bike being able to spin the cranks, and a motor that can actually provide the TORQUE for that sort of speed and power. The latter is the motor of a guy who's been trained, and trained to do what he does very well.
Yes, there is a lout of foul play in this sport as well as many others. But this one really takes the cake...