https://www.cnet.com/news/facebooks-infowars-problem-just-wont-go-away/

Facebook can't get its story straight on fake news.

Over the last two years, the company has been ramping up its efforts to fight disinformation, after realizing that people had been using the social network to push propaganda to millions of people. Despite its efforts, however, hoaxes continue to pop up, while pages pushing conspiracy theories thrive.