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You say it doesn't have to be either or, but considering it would cost ~x10 more to send people to space than actual solve the problem down here, don't you think concentration of resources are key?

Don't get me wrong, I love the Idea. But we have to be realistic about what we have and how we should prioritize it.

Yes, the costs are there, but SpaceX is trying to do it with the least amount of costs as possible. In fact the BRF will have the minimum launch cost ever of any rocket. Plus, there is also the huge amount of returns in terms of knowledge and an expansion of our species into space that will ensure our survival in case of an end of world scenario.

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