They do in our puritanical culture.
In a Goffman Front Stage/Back Stage sense, you are supposed to keep the front stage presentation on the level of a pious monk or nun.
The irony to me is this just another asymmetrical advantage for Chinese culture.
Maybe people are tired of that bullshit. The most powerful guy in business clearly felt empowered to let that facade go. I guess he just got a check for his experiment.