He is talking about playing at the next level. Not college success, but rather which offensive style will do you better in the long run.
For QBs it's obviously pro-style
5 random NFL star backs
Moreno- pro system
McFadden & Felix Jones-Spread
Cadillac & Ronnie Brown- pro
Crabtree & Maclin are coming from teams that ran a spread
Receivers & tight ends can benefit from either system if they're good enough. It's more about talent than stats
10 all pro o-lineman
1. Joe Thomas -Wisconsin pro style
2. Matt Light- Purdue (hey he played for Cregg)
3. Alan Faneca- LSU Pro
4. Tom Nalen- he played with the zone blocking Denver Broncos. pro style
5. Flozell Adams- played under Saban at MSU- pro style
6. Steve Hutchinson- Michigan -pro style
7. Jeff Saturday- North carolina - pro style
8. Willie Anderson- Auburn pro style
9. Orlando Pace-OSU pro style
10. Walter Jones- Florida State Pro style
The best O-lineman and QBs come from a pro-style offense, but the times they are a changing and it might start to balance out. And who is to say those O-lineman couldn't have played and got drafted from a spread school?