Well stated. To see "polite" culture in China, just watch some old 1930s movies. There are also some modern movies that have tried to copy "politeness" patterns

Well stated. To see "polite" culture in China, just watch some old 1930s movies. There are also some modern movies that have tried to copy "politeness" patterns of 1930s and 1940s China, such as Ang Lee's《色戒》.