Unless you are on embargo and don't want to give more details to attackers. Seeing specific requests being blocked is very valuable information about upcoming vulnerabilities.

If you own a website and see what kind of requests are denied by your Edge/Cloud provider, you can easily gather details and deduce which tools and specific features are broken.

With deontology, you prepare the rules and wait for the embargo to be lifted and don't overdo it on fear marketing. Of course if things are getting sideway and people starts leaking details, that's another story.