This is all true, but it's not what the legal system of the richest countries think. If a little Greek director were to sway a little too close to, say, The Wre

This is all true, but it's not what the legal system of the richest countries think. If a little Greek director were to sway a little too close to, say, The Wrestler or Black Swan, you could bet he'd be sued into nothingness by Fox Searchlight. The power imbalance in creative copyright is real.