Why is Fuxi called the first scum in the wild?

Fuxi (birth and death unknown), surnamed Feng, the son of Sui people. [1] He also wrote Ci, Dong, Bao and Fu, also known as offering sacrifices to the emperor, Huang and Fu in the history books, which is the beginning of the Chinese nation's humanities and the blessing of the country.

Born in Ji Cheng, the [2] era was about the middle and late Paleolithic period. Fuxi is the ancestor of humanity in the ancient legends of the Chinese nation, the earliest recorded king in China ancient books, and one of the founders of China medicine. According to legend, Fuxi, the first snake, married Nuwa's younger brother and sister and gave birth to a child. According to the changes of everything in the world, he invented and created divination gossip, created characters, and ended the history of "tying ropes and taking notes" He also tied ropes into nets to catch birds and hunt, taught people how to fish and hunt, invented musical instruments and composed music. Fuxi died11years later, leaving a lot of myths and legends about Fuxi.