How is the language of policy distinctly different from other types of formal documents?

In general, is it better for organizations to have a poorly written policy vs$.$ no policy at all?

Provide an example of $($or link to$)$ a poorly written IT policy and explain what you perceive to be the inherent weaknesses of the language or intent of the policy $($sometimes it can be both$).$

What could the writer$[$s$]$ have done better?

Identify any intended$/$unintended consequences relating to how the policy is written and tell us what the problems appear to be$.$