Fail. The GPL isn’t “open content”, and “open content” presupposes the
“content industry” as a frame of reference. “Free culture” is a
better description, but…
NC-SA is not a free culture licence. And NC-SA is not copyleft either
because it does not fully pass on the right to use and distribute the work.
It should be a precondition of getting Arts Council funding that work be
BY-SA so that the public get full access to the work that they have paid for…