What is the main flaw of the traditional Chinese Confucian theory of cultivation

The emphasis on the rule of virtue and the rule of man, without the rule of law, is the most major flaw in Confucianism.

Confucianism's idea of the rule of virtue has a major flaw, it stays at the stage of people-centeredness and fails to be people-centered, and thus fails to address the root causes of social upheaval and avoid the downfall of dynasties.?

Confucianism has a tradition of sticking to the old ways.

Confucianism despises labor. Confucius himself said that "the gentleman is far away from the kitchen", but in fact he is also "four bodies are not hard work," the intellectuals from the practice of production, it is completely unable to talk about the development of science and technology. This is also an important reason for the extremely slow development of science in ancient China.