Yang Di Yang Guang, Emperor of Sui Dynasty: Although Wen Tao's martial arts is short, it is synonymous with a bad king in historical dramas. The Beijing-Hangzhou Grand Canal is considered as evidence of a bad king, but the actual situation is for the benefit of thousands of years to come.
The dispute between Lindong Party and Yan Party in Ming Dynasty is very controversial.
Li Hongzhang is admired by many people, but more people think that he is a traitor because he signed many unfair treaties, but he is really not a traitor.
Yuan Shikai is the same as above;
Wait, there are many more.
In a word, there are many controversial figures in the history of China, and they will not argue endlessly for various reasons.