In that case, more power to you! But for a woman, it can look like catharsis.
A good majority of us prefer to pee outside.
We don't consider drunk kissing cheating.
The leak is possibly part of a reportedly larger hack affecting several celebrity women.
For the outsider, though, the facilities will look much the same and more important, so are the traditions and etiquette.
Japan is proud of its bathing traditions.