In a following tweet, Musk said: "Important to admit when I m wrong & firing them was truly one of my biggest mistakes." On Musk s post, a user commented "three meme legends in one picture", while another said: "Ligma & Johnson will go down as the greatest trolls in history." Elon Musk Posts Picture With Two Men Who Faked Being Fired From Twitter, Says ‘Firing Them Was My Biggest Mistake’.