Letter to Wikimedia Foundation: Superprotect and Media Viewer was partially answered by the removal of Superprotect. However, there is one request of the letter that @Peteforsyth and others are still expecting us to address explicitly:
The Wikimedia Foundation should clearly assert that it will permit local projects (such as German Wikipedia, English Wikipedia, and Wikimedia Commons) to determine the default status of the Media Viewer, for both logged-in and non-logged-in users, uninhibited.
This task is used to track progress only. The discussion is happening at https://www.mediawiki.org/wiki/Topic:Sstzmtuojrak02d5