He said that bikes with >250W motors have to be registered as mopeds, not that they're illegal - Netherlands has hills too. With the registration, there are oth

He said that bikes with >250W motors have to be registered as mopeds, not that they're illegal - Netherlands has hills too. With the registration, there are others rules that usually come, like a minimum age of 16 and having passed a theoretical exam (this differs from country to country). In any case, a 12 year old on such a powerful bike should be illegal and we'll probably see more cases until the legislation catches up