There's a whole thought in kink that any sexual contact requires consent... And by doing sex things publicly, your audience can't possibly consent.
Know that when you stare into the boob window the boob window stares also back.
Madness string 111605
It tricks you, is what it does, because it takes so many years to conclude. You just get all these mysteries and you think it sounds profound. But it's just because you can't remember what is actually going on.