For those not in the know: they're unreliable to the point of uselessness and the US Government is somehow really enamoured with the fantasy of mind-reading and lie-detection. But what can you do when the government agencies suffer from chuunibyou?
I’ve said this or similar several times before but I’m too lazy to dig through my comment history and link it. Nobody (or almost nobody) in the government is under the illusion that the polygraph is a magic mind-reading device that can detect lies. Polygraphs are used to test how well a person responds to stress and as a political/managerial tool. It seems in this case they’re getting a lot of mileage out of it…
For those not in the know: they're unreliable to the point of uselessness and the US Government is somehow really enamoured with the fantasy of mind-reading and lie-detection. But what can you do when the government agencies suffer from chuunibyou?