Sure, you need something with a capital output to create an imbalance of wealth. But usually the capital output of any society is sufficient to incentivise excl

Sure, you need something with a capital output to create an imbalance of wealth. But usually the capital output of any society is sufficient to incentivise exclusivity and repression. Even humans just surviving generally create a capital surplus - and no matter how small - taking that is sufficient to make few individuals wealthy.