If a company starts to control what an employee does on a personal social media account, it could give rise to liability for the company for the employee’s actions and content there.
The most important thing about Terms of Service is that they are enforceable. And even if some parts may not be, you don’t want to have to pay to find out.
Should your corporate social media policy be rewritten based on ‘results’ from a buzzworthy survey that’s based on a whopping 0.02% response rate?
Training people about what the legal issues are and how to handle them is a much more effective way to both prevent problems and get social media to work for your company.