According to the statistical hurdle analysis context, which variable is described as the most destructive for finding *intelligent* neighbors today?
Answer
The time factor, specifically the lifespan of a technological civilization ($L$)
The lifespan of a technological civilization ($L$) is crucial because if civilizations only broadcast for a short period before collapsing or advancing beyond radio communication, the chances of our search window ($T$) overlapping with theirs become extremely small.
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