Even if it is a skateboard, it is still heavier than a non-electric skateboard. As GP said, electric vehicles are very heavy. My electric bike weighs considerably more than non-electric bikes, our electric scooters weigh more than kick scooters, and parent is being contrarian for the sake of being contrarian.

Quibble: Electric vehicle weight is compared to the ICE alternatives. You’re comparing electric vehicles to things without motors at all