I love elephant societies too. The long story short of this belief in humans comes about 5k years ago when raiders from the north with horses and swords over-ran peaceful cultures that didn't have those things and subjugated them.
This is what the term patriarchy actually refers to from a social science perspective — a male-dominated social hierarchy established and maintained through intimidation, coercion, violence, and fear. The war chieftains who are the most violent and most ruthless rise to power and prestige, and an ethos of Might Makes Right prevails. Culture becomes more authoritarian and much more hierarchical and stratified. Women and weaker men are at the mercy of the domination and violence of the stronger men. For the first time in human history, some people count and other people don’t.