The downvotes are misplaced. This is a good question.
The value of HN is when people-who-know help curious folks understand the validity of a story. Surely someone here is more capable of assessing this story and I agree that skepticism is in order at first.
Except the article explains in fairly easy to understand terms how the study came to this theory, and the original paper is linked from that article. The question here gives the impression that the asker read only the headline.