> based on the unquestioned premise that delaying disclosure for the operational convenience of system administrators is a good thing. There are reasons to question that premise!

Care to mention these reasons?

With "convenience of system administrators", I'm guessing you mean that there's a patch available that sysadmins can install, ideally before the vulnerability is disclosed? What else are sysadmins supposed to do, in your opinion? Fix the vulnerability themselves? Or simply shutdown the servers?

With the various copyfails of recent, it at least was possible to block the affected modules. If that were not the case, what would you have done, as a sysadmin?