Over the last several years, tech giant and richest man in the world Elon Musk has shaped himself into a crusader for free speech, going as far as to broker a deal to purchase the social media platform Twitter for its practice of banning users trafficking in hate speech and conspiracy theories. However, it appears Musk's principled stand against censorship has its limits. As the Chinese government has sought to suppress protests against its "zero COVID" policies in recent weeks, Musk—who regularly uses his platform to engage with critics and offer commentary on issues of the day—has remained noticeably silent…