Earlier quoted context omitted.
>Why would the last group of N people not subsistence farm? Why would they be able to reinvent that, when none of their ancestors for how many generations did so? Is that something a person can do well, do you think, with no prior experience or expertise? What if they get it wrong, they'll starve? We could ask why they could reinvent all the technologies that people from prior eras of agriculture could manage? Will t…
People live in the alaskan bush. QED
And do those assholes have enough spare time and effort and interest to raise families? Any women of reproductive age out there with them?
If not, this probably isn't the model that proves that human extinction is an unreasonable worry.