That's because some of the people playing with old bikes have not yet found out the right way to pick up a screwdriver.
Kids are not taught any kind of handicraft anymore.
I am amazed that Kawasaki is allowed on the road, I can see at least a dozen C&U regulations worthy of a nick.
I suppose they made more money flogging off the original parts.
Imagine riding a bike like that back in the 1960/70s, Plod would have had a field day. When I think of the times I was pulled for no front number plate/horn rear lamp.................
well, it was a Triumph 6T, seldom got to my destination without something dropped off..........