I understand that it is not in the ST archives, and because of that, you do not believe it. That's a perfectly reasonable position for you to take. I did not make it up, though. But I'll still withdraw it pending finding citable evidence.
As for playgrounds:
https://www.facesoflawsuitabuse.org/2018/06/lawsuits-take-sc...
https://www.paloaltoonline.com/news/2020/09/25/elementary-st...