Yamaha, Honda + some other Japanese brand dominate this market in volume. They’re the ones that will switch over to electric without issue. The Japanese are definitely waiting longer than normal. But they’re the ones that will have the largest car and motorbike producers to make the switch when they want.
I’ve riden a Niu. Was nothing new or exciting. GPS, lcd and apps are the last thing people want out of a scooter. Go and back. Go and back. Go and back. That’s all a scooter is and will be used for. Because scooters a cheap item.