I do know what to make of this:

It's overly pessimistic and too much doom and gloom. It already begins in the premise:

That's an oversimplified assessment. Of course any analysis that takes catastrophe as a premise has doomerism as the extrapolation.

I could pick this text apart quote by quote now and maybe I should. But long story short it's full of these oversimplified then->then->then chains that take the worst possible chain of events as the most likely without any evidence/arguments whatsoever.