What is the main point discussed in this image regarding New-Fist's educational curriculum?

The main point discussed in this image is the detailed establishment and successful integration of New-Fist's practical curriculum into the tribe's educational system. It outlines the three core subjects—fish-grabbing, horse-clubbing, and saber-tooth-tiger-scaring—which were taught to children for survival. The text emphasizes how this curriculum was effective, enjoyable for the learners, and quickly became accepted as the "heart of real education," even overcoming initial conservative resistance by being presented as developing fundamental, divinely-sanctioned instincts.