Jeremiah, you bring up a great question, and I think it is because they are guided by ethics embedded in Confucianism instead of Judeo-Christian. In a fascinating article published in 1999, George T. Haley, Director of the Marketing and International Business Programs at the University of New Haven had this to say, "Confucianism moral and religious system of China. Its origins go back to the Analects the sayings attributed to Confucius, and to ancient commentaries, including that of Mencius.," he said "promulgates high ethical standards," but, "they are contextual - that is, they depend upon the relationship of the parties in question. Without one of Confucianism's five relationships existing between two parties, no ethical duty exists for either party." ...there is more info on this topic at
http://www.thefreelibrary.com/Chines...ess-a054723331