You may not go into restaurants like that, but you admit they exist right? So... Just because you avoid those restaurants where the patrons are idiots who think peeing on the floor is funny, doesnt mean those same idiots cant go the theoretical skytrain washrooms and keep peeing all over there.
Any skytrain washrooms would be A LOT more public than any restaurants. Im sure they would have to keep cleaning staff there pretty much nonstop to keep up with it. It would cost so much to maintain.
I only asked for the link because I distinctly remember writing the 'old woman' comment in response to either your mention of the OP or me being children/childish, or somthing like that.