Should skateboards be prohibited on sidewalks?

In my youth - and yes, that was a very long time ago - we were taught that bicycles had to follow the same laws as motor vehicles. That actually prepared us for when we began to learn how to drive.

I have noticed that not many children nowadays know anything about right of way, 4-way stop signs, or any of the rules of the road.

It seems to me that skateboarders have no knowledge of any of this either, and less regard for the general pedestrian to boot. A bad attitude to say the least.
 
I still don't see how the use of a skateboard for means of travel by itself is any cause for concern though. For example the "bad attitude" problem would easily apply to people who cut in lines or cut people off in traffic. But it does not apply to everyone who is walking or driving a car. It's the actual behavior and use of that transportation mode that should be at question.
 
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