I can see people getting off on being able to see people walking around them while they go, they are German after all.
Real art should have the mirrored sides be reverse, so the person inside feels alone and the world can watch. Do we all wipe alike, some prying minds want to know.
I was all like yeah, I'd wait until the hottest chick around walks by while I stand there, pee and then flop it around like it lost its pulse and then I was like...... What? People can't see in? Lame