Three thoughts.
One:
I’m confused by this question. The article discusses a credible threat for the 2009 inauguration, and how the appropriate parties prepared for the chance that it would play out. Is that supposed to be an example of a real concern or a make-believe one?
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Two:
The moral of the story “The Boy Who Cried Wolf” is not that credible threats to national security should be ignored because they might not come to fruition.
It’s that if you lie too often, people will stop believing you even when you are telling the truth.
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Three:
There’s a story about a lion and a snake (honestly I don’t remember the exact animals, and I think it varies from version to version, but it’s always one that can swim and one that is venomous). The snake asks the lion to carry it across the river on its back, and the lion agrees.
But in the middle of the river, the snake bites the lion. As the lion is dying (and the snake soon to drown), the lion cries out the snake, “Fool! Why did you bite me? Now we both will die!”
The snake replies, “You knew I was a snake. It is my nature.”
On January 6th, the people who stormed the capitol made their nature known. We’d be fools not to believe them.