Comment: Suppose there are two cavemen...

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Suppose there are two cavemen...

that have historically been on equal footing. The two men are equal but able hunters and routinely have the same amount of success until one day one of the cavemen produces a spear. After the production, one of the men now is much more successful and, as a result, now has much more leisure time.

Do you suppose the caveman that lacks a spear will want one once he sees its effectiveness? Was that caveman conditioned to have that response? Or is the desire for the spear a natural mechanism for survival?

Perhaps women like the spear possessing caveman better now. Does this translate to modern desires to keep up with the Jones?