https://www.vox.com/recode/23178616/elon-musk-twitter-spacex-tesla-employees-fired-letter > Some of the CEO’s biggest recent critics are his own employees. > Elon Musk has millions of critics — and dedicated fans — and nowhere is that clearer than on Twitter. Since Musk, who is the world’s richest person and the CEO of Tesla, SpaceX, the Boring Company, and Neuralink, announced plans in April to buy the social media company, the debate has intensified around whether he’s a genius who’s saving the world or merely a crass billionaire with a big platform. And more people, including his own employees, have begun raising questions about the increasingly blurry line between his Twitter persona and his role as the leader of several major companies.