Yikes, that's even worse than mine!  It's conceivable that someone with limited cognitive ability might get confused and pee in that tray, but I would hope that drinking out of the toilet (a public toilet, no less!) wouldn't be on anybody's radar... 

 Saw this one in a store in San Antonio once...

https://image.nostr.build/141e475fbe2b9593b1b140d56c1ea7b81940cfdad901e97377b0dc18a1953d49.jpg

Not sure what people were doing with it before, but I sure hope that sign got them to stop it...