Looks like a scam.
That's exactly what it was. (and a lot of sites did this, not just the ones this guy owned). Create fake news stories, often about over the top claims with crazy titles and use social media sites to get peole to share them driving traffic back to the sites, generating AdSense ad revenue. It is big business.
It makes you wonder of Google will charge them back for the advertising revenue paid out now that they are exposed. most probably came from their AdSense network.