Very true, and there probably should be some case law on what truly constitutes confidential information in the employment law sense. So while, the lunch menu

Very true, and there probably should be some case law on what truly constitutes confidential information in the employment law sense. So while, the lunch menu may be non-public information it does not constitute confidential information whose release could lead to employment termination. Those familiar with the law put all sorts of unenforceable stuff in contracts in the hopes that the less informed will comply with stuff they really don't need to comply with.