I think most people hope for the day we find life off earth. And some of us hope that intelligent life is found in our lifetime. Others might be a bit frightened by the idea. After all, chances are good that they will be more technologically advanced than us and in human history, it sucks to be on the wrong end of the pointed stick.
And another thing, Sagan and his "extraordinary evidence." That's not really logic. If the evidence is as mundane a spaceship scooting through our solar system on its way somewhere else, looking to us like a rock, and slowing down to hit the sweet spot for a gravitational slingshot, that's evidence.
I'm with Dr. Loeb.
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