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I don't think exploring space is even about balancing resources. If you have interstellar crafts, you have all the energy balanced already. Again we seem to be only able to think of others in terms of ourselves. To me, that's a huge and glaringly obvious mistake that only we humans would make. We don't know about how another evolved intelligence might see the universe. possibly in a different way altogether. At best we are probably a curiosity. a primitive technological society on the cusp of either destroying ourselves or about to escape the velocity curve of our own past.