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* - kind of funny, but the reason GDP was invented was a local jurisdiction claiming it was being overtaxed. But needless to say the reason countries obsess over it today is not to try to reduce their tax burden.
Without these great achievements, I'm not even entirely sure the direction our species has taken could be argued to be good. Declining fertility, urban cityscapes that feel increasingly dystopic, working vastly more than even hunter-gathers did (or do), and more. But to what end? There needs to be some payoff to go down this road. For one who is not into consumerism, the only payoff I can see is in these great milestones that probably could not be achieved without going down this path we've chosen.
This sounds US-specific. Lots of cities are quite nice to live in, and quite far from "dystopic" (dystopian?).
If someone proposed to use all of our resources to discover life outside of Earth, we would probably agree that's not the best use of our resources.
But this means there's an upper bound to the cost we're willing to bear. Which leads to the question, how much resources should we devote to finding life outside of Earth? The answer to that question is, yes, dependent on the expected economic outcome of finding extraterrestrial life.