The answer is yes. Asia, especially north east asia, where had influenced by confucianism, would have this phenomenon. There's a Chinese axiom: 家醜不可外揚. Literally means you shouldn't tell anyone of something bad about your family. If you still can't get the meaning, search by goole. It is an axiom commonly used. Although Taiwan is very modernized, in some respect, it is still very traditional. Some wives of famous husbands would talk about their marriage and relationship in a TV program, but in our social contex, it is deemed as unbecoming, even if they are saying something good. Furthermore, in sinophone culture, problem involving family relationship is more complicated than the cultural outsiders can imagine. Sometimes, talking with my foreign friends about family problems, I usually feel that they don't really get in the situation.