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It is an interesting topic.
Another perspective is that without the vision of life elsewhere, or of a planet somewhere which is capable of sustaining life, there would be no reason to pursue it. Hence no reason to fund the chase.
The goal serves a purpose. Re-inforcing it, repeatedly, in the media serves that same purpose. Believing it appears to be optional, and is a matter of choice.
I for one, choose to support the goal.
The chase to achieve it makes it worthwhile.
The technologies & knowledge that will develop as a result, are likely to benefit everyone, which I view as the real justification.
Cheers
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