What does fortune telling in Jixiang Hall mean?

No, the hereditary system of the throne has been implemented since the Xia Dynasty, and the eldest son inheritance system has been implemented in the Zhou Dynasty, which is not necessarily particularly brilliant. For example, Emperor Jinhui called himself an idiot emperor, and Song Huizong was good at painting, but he didn't have much ability to govern the country, otherwise he wouldn't be a prisoner in the North. There are many little emperors, Tongzhi acceded to the throne at the age of five, Guangxu acceded to the throne at the age of four, Puyi acceded to the throne at the age of three, and so on. Why talk about versatility?