I certainly don't catch lies that others miss, but I agree that the variations neurodivergent people show often work to give us specific advantages . . . exactly the way that population variation does evolutionarily.
I don't think it IS bad right now: I think he genuinely can't tell now from 5 years ago. He may at any point try to get us to land troops in Korea at this rate. Senility and War Powers should never be united.
Oh, that's a Supernatural episode where they go back to the old west and find out that it's nothing like the ideas they have from watching western movies. The one character has dressed up as Clint Eastwood in the iconic poncho, and gets nothing but mockery for it.