https://www.theguardian.com/technology/2018/jul/19/facebook-fake-news-violence-moderation-plan

New policy to tackle content that could fuel violence may be well-meaning, but the complexity of the task is mind-boggling

Facebook has been grappling with its role in spreading false news and disinformation for a few years, but a spate of mob violence in India, Sri Lanka and Myanmar have spurred the social network into a knee-jerk policy change.