Peter, this is a very thoughtful suggestion. I'm not sure the WG members will see it here, maybe you could post on the talk page? I haven't seen it there.
Aron
On Tue, 13 Aug 2019 at 12:00, Peter Southwood peter.southwood@telkomsa.net wrote:
One way to make it very clear is to have a separate project for non-free and pseudo-free media. Keep it off Commons altogether, so Commonists have no new problems, and to use it on a project would require specific permission by that project, so that Commons is not the only repository that can be used. Keep Commons the default, and make it necessary to use a prefix to use the not-so-free media files, so it is quite clear that they are different. If it is all on Commons, people will be sneaking it onto projects where it is not allowed, making yet more maintenance work for volunteers who might prefer to spend their time creating and improving valid content. To make it less of a hassle, the upload wizard could automatically switch to the alternative project if any of a specific range of licences were to be used, with an explanation of why the file could not be stored on Commons. Cheers, Peter