This idea that a single person creates Star Wars is one gap in understanding of a healthy system. A person does not exist in my or your present state or create anything but for the work of millions if not billions of other people.
The solution has been repeatedly demonstrated and isn’t complicated. The benefits should accrue to the system that creates them in a balanced way. Limits on the return of capital, implemented as either voluntary donation or taxes and progressive income taxes.
People scoff at taxes vs representation but right now, today, they can avoid those taxes by donating that money.