Why Is Facebook So Afraid of Checking Facts? – Facebook refuses to factcheck fake news, based on the discredited social theory of “backfire effects,” which claims that people dig in to false views when faced with contradictory evidence.
Facebook’s belief is based on a 2008 study, since discredited. In reality, when faced with contradictory evidence, people change their beliefs, just as you would like them to do.
So Facebook’s fake news policy is based on fake news.