What are the shortcomings in traditional culture?

There are five phenomena in traditional culture.

1, Yang Xiong, a writer of the Western Han Dynasty who beautified Wang Mang's doubts about the new dynasty.

2. Wang Wei, a poet in the Tang Dynasty, was an official in An Lushan.

3. Lu Ji, a writer in the Western Jin Dynasty, took refuge in Sima Ying, the minister of rebellion.

4. Yu Xin, a scholar in the Southern and Northern Dynasties, was an official of four dynasties and ten emperors.

5. Shen Kuo who framed Su Dongpo because his friend's name was higher than his own.