I like the NCAAs approach all things considered now that California took the lid off of Pandora's box. Let's hope another six months of some smart people in a room with come up with something manageable. It will not be easy.
That said I have a hard time seeing how they will keep big Bob's local car dealership (an long-standing Football booster) from paying some kids $25,000 to stand in his commercials.
Intent - sharing in the benefit of your likeness once you have made the team, and become a starter, and become a marketable figure or at least your likeness was being used for others to make money, a la a video game.
Consequence - a huge new recruiting tool and legal soft money channel to 18 year olds to lure them to your school.
End result - nearly 100% bad on many levels