Issuing a policy and taking action to protect the identity of an organization is not very uncommon. Particularly when the organization eventually intends to license their brand to vendors.
It is hard to convince vendors to pay you to use your identity when the trademarks are easily accessible (such on the internet) or produced very freely. You may have noticed all high-resolution graphics of the trademarks have been removed from National's website. With the new policy, National can demonstrate they are controlling who uses their identity.
There are many scenarios where the identit
