Mozi loved to say that he did not eat wild creatures, and even those that were not wild, he only ate creatures that were raised and cultivated for food. In order for more people to do this, Mo Ziai devoted himself to practice and brought new charm to public cuisine.
This is actually an environmental story. It tells the story of a period when human changes began to fail to keep up with environmental changes, and human efforts were made in the face of the threat of extinction. Keep? Radical? It doesn't matter, adapting to changes in the environment is evolution.