[keybored]

> Childhood mortality is only one factor, and I think at this point we're all aware that the "life expectancy was 40 years" statistic has a huge asterisk next to it.

No, people who say that they “died extremely early relative to modern humans” mean the bunk dying at 40 due to old age myth. Not dying at 65 rather than 80.

Your link seems to show graphs going up but not why.[1] The medical breakthroughs have been, like first of discovering hygiene, vaccines and antibiotics. Which does exactly nothing to debunk what the OP[2] called “appeal to ancestry fallacy”. That we know medicine now (like hygiene, antiobitics) do not discredit claims like, you should eat like a hunter-gatherer or something like that.

[1] This seems typical of “data” outlets.

[2] https://news.ycombinator.com/item?id=44078093