The problem of moral deficiency exists not only in western countries now, but also in the past. From theocracy in the Middle Ages to colonialism in modern times, the western countries' practice of obliterating human nature and hurting other races is the decline of morality and the degeneration of human nature.

In modern society, western countries' contempt for other countries' right to exist and discrimination against people in developing countries are still very serious, but they are duplicitous and like to use "double standards", which is also shameful for the people.