Usually, when you’re heading to the restroom for, ahem, reasons, you’re expecting to have a little bit of privacy to do the things you need to do. Unless you’re a mom who is used to having their every toilet habit picked apart by the small nosey person you’ve had to take in with you, bathroom time is private time.
I think that this particular designer forgot this general rule. Ok, so the doors aren’t completely see-through, but we can definitely get an idea of what’s going on in there. Can you imagine walking and seeing that door? I’d be heading to pee somewhere else.