JUST how much control should an employer have on its employees when it comes to their viewpoints, opinions or feelings? Mesut Özil spoke out on social media about the plight of Muslims in China and his employer, Arsenal, felt moved to distance themselves from his twitter posting. At the same time, Arsenal claimed they were apolitical. Arsenal were, in effect, doing what most companies with business interests in China would have done if an employee had made a controversial comment. Worried that a sensitive tweet would compromise their own relationships with China, they made sure people knew that the message was purely Özil’s. Right across the corporate spectrum, companies have long made it clear social media content may be an individual’s right, but they…