The overwhelming majority of top college players have negligible chances of playing in the NFL. The potential rewards for a high school player getting paid ASP generally dwarfs any long term career prospects.
I'll bet car dealerships will be the first place in CA that you will start seeing college athletes on the billboards.
And it won't just be the top guys in the state. It will be the top guys on the local team. Even for smaller schools.
Then ask the 4- and 5-stars.