More on point, if all of these intellectuals were hanging out in the amazon, bored, why didn't they come up with long term data storage like clay tablets and writing? Why didn't they write their combinatorics proofs in stone? I know you're not really saying they had combinatorics, but a few millennia of frustrated brain boxes should leave some kind of legacy, especially in the totally physical space they lived and worked in.
More on point, if all of these intellectuals were hanging out in the amazon, bored, why didn't they come up with long term data storage like clay tablets and writing? Why didn't they write their combinatorics proofs in stone? I know you're not really saying they had combinatorics, but a few millennia of frustrated brain boxes should leave some kind of legacy, especially in the totally physical space they lived and worked in.