I like this
I have to say common sense needs to make a come back.
That being said, the slide in the gallery does indeed look too dangerous and could lead to a lot more injuries.
Realistically, getting injured is part of being a kid, we cannot (and should not) try to make everything completely safe, you can't live life that way, there is a certain amount of risk to everything you do.
I am only 35 and the things I did as a kid would most likely have been considered child endangerment today. I mean, I walked along trails with very narrow ledges, played with METAL trucks, etc.