There's this paradox where, on the one hand humanity is convinced it can overcome any problem nature throws at us, and can completely subjugate nature; and on the other hand, human beings are tragically grossly understimating the impact of their actions on their environment.
This is really what stands out to me when people on HN suggest that global warming is totally solvable with just enough technological innovation. The sad truth, and what this article is really driving home, is that while we're waiting for a deus ex machina, we continue to trash our planet, as if we can just move to Mars or something when earth is done.
I'm quite skeptical about the whole "collapse of industrial civilisation" schtick, but I am worried, most of all for my children and their generation.