That’s surely true. Also, for what it’s worth the federal government polygraphs employees every 5 minutes and yet the most damaging spies in our nations history have breezed through that process undetected. Mostly I think they weed out people who are nervous they drank too much at the weekend tailgate or smoked weed once in college but didn’t inhale.I’d be willing to bet that when you reach a certain level of dumbness, those tests are ineffective.