I think a lot depends on what you see. It is often said here that: "Even if we overcome peak oil with some breakthrough, that will just make the inevitable crash more severe." In other words, growth per se is actually bad, and in fact deadly. Growth = Death. Growth must be stopped.
But what if we look at the earth as a sort of cosmic egg, from which life (and humans) emerged? Yes, we are growing, but that is to be expected because we are a young, living thing. If your child was not growing, you would be very upset. You wouldn't say: "Oh thank goodness, if he grew anymore, it would only make his inevitable collapse more severe." You understand: when things stop growing, they start dying. So that's the other way to look at it: Growth = Life.
It may be that we are truly confined to the earth. Another possibility is that we will confine ourselves to the earth due to unfounded fears. It reminds me of Christopher Columbus. On his ship the outcome was very uncertain. I picture anti-growth advocates like the fearful sailors on his ship. "We're going to die. We shouldn't even be out here, if we don't even know whether there's land to reach." There's also a strain of the "Tower of Babel" in their doctrine. Or even a quasi-Christian approach, where the "die-off" plays the role of hell in scaring non-believers into accepting the teachings of the church fathers. The post-peak period will be the Last Judgment, where we humans are punished for our grave sins -- stealing the apple, building the tower, grandiosely dreaming that we could touch the stars, or aspire to be like gods. It's kind of ironic that peak oil non-believers are called "flat-earthers", since it was the flat-earthers who were the religious reactionaries, people like the scared sailors on Columbus's ship. Indeed, if you think about it, there's a nice symmetry between "flat earth" thinking and "finite earth" thinking.
If growth=death, then indeed, the party is over. We have passed our nadir. We have nothing to look forward to except devolution, hard-scabble living, societal regression and decay. Science and technology will not advance in any useful way (i.e. any way relevant to energy). Money will be unmasked as the pied piper of growth, and solemnly banished. Finally, someday, a cosmic event will destroy the earth, and that will be the end of it. That is the destiny which the anti-growth movement is offering. That's it.
I guess it all boils down to this: Are we a young life form, or an old life form? Maybe peak oil is just a tough time, like puberty. The peak oilers would seem to say that PO marks middle age. We've gone through our growth spurt, and must now mature, shrink and die. "We've got to powerdown" is just another way to say "It's better to die gracefully."
It's funny. If the peak oilers packaged their agenda in a different way, I would immediately agree with it. I.e.: if they said growth needed to be stabilized until we made the transition to extra-planetary growth. I'm very interested in experiments like Biosphere II which attempt to achieve steady-state, perfectly cyclical, waste-free life. There's a lot of potential synergy there.
But that's not how they do it. They come at you aggressively like Jehovah's Witnesses. They've got a pamphlet with a disaster on the cover, and a picture inside of the comparatively comfy peasant lifestyle you will live while all the non-believers get their comeuppance in the "die-off" hell.
I wish we could strike a happy medium... Isn't there a way to combine concern about energy and resources with a more optimistic, pro-growth view of the long-run?
Every once in a while a light of reason pops up above the usual dimwitted rants.
