The example in the article was a case where information was being hidden. There was a mismatch between content and tone "Everything's fine!" [I know everything

The example in the article was a case where information was being hidden. There was a mismatch between content and tone "Everything's fine!" [I know everything is not fine]. Humans can already pick on a mismatch between content and tone. We call it intuition. The things that trigger intuition are quantifiable. Using Machine Learning to systematize things we already do is pretty sane and reasonable.