It really doesn't matter how earnest they are when polygraphs have been known to be garbage pseudoscience for decades, and especially when people's lives can be

It really doesn't matter how earnest they are when polygraphs have been known to be garbage pseudoscience for decades, and especially when people's lives can be derailed by the fraudulent "results" obtained from a polygraph or even just the fiction that it can get results: https://www.bloomberg.com/graphics/2015-doug-williams-war-on-lie-detector/ https://www.bloomberg.com/graphics/2015-doug-williams-war-on... Calling them con artists is about as polite as I can be.