There's kids who go around on ebikes in my neighborhood, and it's only a matter of time until one of them is hit. I don't mind kids on bikes, and encourage it. I do, however, encourage them to stop at stop signs and to actually look for traffic at intersections, and that's something that these kids are not doing.
To be fair, most cars go too fast in residential areas. I drive like a grandma in them and there's a good chance that someone is up my ass and annoyed that I'm not exceeding the speed limit.