Earlier quoted context omitted.
Downvoters please help me understand your angle here
I upvoted, FWIW. Maybe help explain your perspective some more? It sounds like you're just kind of saying "we can't model anything so why bother?". We can model what we can. Sure, the big recession catches the world by surprise, but people are working constantly to model these systems, and it seems to be better than doing nothing. Climate models for example tell us that carbon dioxide is indeed a greenhouse gas, and…
I do think trying to put a price tag on climate change's "total cost to humanity" is truly a hopeless task, and results are bound to be meaningless, due to sheer complexity combine with subjectivity.
How can we meaningfully price biodiversity, the anguish of future generations, permanently escalating geopolitical stress, and the vast flock of black swan events that will result from these changes, in a single dollar amount? I believe such efforts are pure hogwash.