People who want to keep heir hair nice don't want to wear a helmet. It's not a problem for me. Less and less so, in fact, sadly.
For cycling this means that people miss out on hypothetically healthy exercise - traffic fumes aside. The health benefit of an electric scooter is less obvious.
However, you can do either at home, stationary and safe.
I do wonder if these scooter accident victims would have found other ways to injure themselves if, say, on the inauspicious occasion they'd found their scooter uncharged and unusable. Or can you push charge them, I don't know, so you could still go along push-powered... I have face-planted on a non-electric scooter, but not recently. And this report is from the "National Electronic Injury Surveillance System" so......