And in clinging so hard to their 'ideas', the substance has slipped through their fingers and they've mostly reduced themselves to cloning their own movies.
I can't see how it's protecting creative risk; it protects the infrastructure for some to take risks, but that infrastructure isn't being used anywhere near its potential.
I'm no fan of the music/movie industry, but they abide by a set of common rules. If you take a piece of music and use it verbatim or close to it in your song, the original composer must be credited and the royalties shared.
It's still too much of a reach to expect regular people to want to contribute personal knowledge for free, into an opaque corpus that rewrites your words, sends them to someone else and arbitrarily decides whether you are to be credited with them.
I can't see how it's protecting creative risk; it protects the infrastructure for some to take risks, but that infrastructure isn't being used anywhere near its potential.