Many men are married and this stuff is frowned on for married men everywhere, including east asia. Also, it makes things incredibly awkward (to say the least) for professional women.
So then they don't have to take part in it. Take your business somewhere else.
I can't believe you're all going to sit here and complain about fucking booze and sex while at the same time, by doing business there at all, you're supporting a tyrannical fucking monster of a government!