And those were the most dominant and powerful societies that laid waste to the egalitarian societies, conquered the most territory, became the wealthiest, and it isn't even close. They passed on their genetic characteristics and social instincts and so to some degree you can say the descendants of these winners are innately hierarchical.
But beyond whatever you actually mean by humans being innately hierarchical or not (possibly by predilection, emergent social organization, emotionally etc) the outcome of global interaction between groups of humans results in a hierarchy, whether some of them want this or not.
Some groups and some individuals are: smarter, stronger, healthier, wealthier, more powerful, more productive etc than others. A hierarchy emerges apart from whether any of us try to construct it or try to prevent it.
But beyond whatever you actually mean by humans being innately hierarchical or not (possibly by predilection, emergent social organization, emotionally etc) the outcome of global interaction between groups of humans results in a hierarchy, whether some of them want this or not.
Some groups and some individuals are: smarter, stronger, healthier, wealthier, more powerful, more productive etc than others. A hierarchy emerges apart from whether any of us try to construct it or try to prevent it.