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> That we see nothing implies intellgent life is rare, short lived, or we're early in the age of the universe.

> > Or it implies that not everybody's first instinct on seeing a vast galaxy is to try to take it over ASAP.

Or it may simply imply that intelligent life is good at hiding and does not want to be seen e.g. the dark forest hypothesis.



Dark forest hypothesis uses lack of evidence as evidence. There is little to back the claim the galaxy is full, BUT if it is full then the Dark Forest could be a reason we haven't detected.




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