It was actually cleaning companies that worked after hour and used children in cleaning slaughterhouses. Which is of course terrible and dangerous. (Slightly less traumatic than actually killing the animals but still inexcusable.)
I’m not recommending it. It was what I was referring to as dystopian.
But even in my childish '60s childhood there was a bicycle accident where knowing something to do about stopping bleeding would have helped both the other kid and me.
Having been in life-or-death medical situations since then, it’s a lot less mentally traumatic if you know something you can do and focus on trying to do it right, instead of trying to figure out from scratch what if anything you could do.