It is an argument against the idea of primitive Communism, the idea that Communism existed in Hunter Gatherer societies, existed. It was not an argument that people should emulate animals. Fish eat each other. ...no. A lot of animals developed traits or techniques to preemptively show their superiority to avoid needless violence. If it works how you said that it does, animals wouldn't need to develop those traits or learn to detect whether an animal is stronger. For humans, the most common and oldest hierarchy is of elders. A child is generally a lower rank than the parent. I'll probably watch the video when I have the time but title sounds clickbaity.