Earlier quoted context omitted.
You hit the nail on the head. From the article: >“Many agencies fear being sued if a child gets hurt,” said Teri Hendy, the president of an Ohio-based playground consultancy, Site Masters. Ms. Hendy blamed outdated federal rules on playground design developed decades ago by the Consumer Product Safety Commission. She favors more flexible guidelines, arguing that playgrounds don’t have to be boring to be safe. We got…
It’s a really tricky balance. On the one hand we should have rules that don’t allow building unnecessarily dangerous stuff (eg covering toys with lead coating) but on the other hand we shouldn’t expect 100% safety because the only really safe thing is something that doesn’t exist. It’s really difficult.
I want kids to learn that concrete is hard, and the harder you hit it, the more it will hurt. It's an easy lesson to learn, by trial-and-error, and transferable to many other situations. I don't want to make kids try to learn about lead poisoning by trial-and-error. They're not going to succeed at that. Even adults took 50 years of research to stop putting it in gasoline.