Elon Musk Tweets #DeleteFacebook The Tesla founder has been a critic br of the social media platform br in recent years. Elon Musk, via Twitter Musk's post was in response br to a Facebook-related tweet br by Sacha Baron Cohen. In his message, the 'Borat' star said br CEO Mark Zuckerberg's power br needs to be regulated. Sacha Baron Cohen, br via Twitter Musk revealed that he wasn't on Facebook br in 2018, tweeting "It gives me the willies." Elon Musk, via Twitter He also said he would delete Facebook pages belonging br to Tesla and SpaceX.