I understand that there would be six rather than seven straight, but the problem with the analysis is that it's a huge and unsupported leap of logic to think that a Big Ten win in 2006 would have somehow prevented LSU from winning it the next year, or Tebow led Florida team from winning it the next, Auburn from hiring Cam Newton, or Saban from later building the dynasty he's built at Bama. The Texas win in 2005 didn't cause the Big 12 to start dominating college football.
Could Lloyd Carr have survived his loss to App. State if he had a title the year before? Probably, but that doesn't mean that Michigan would have won a national title in the next seven years. And think for a second about the assumptions he's making about Ohio State when he says that if they had won, Tressel may not have felt the pressure to start cheating. What an absurd self serving statement from a deluded fan.
The underlying structural conditions would not have been affected by that game. The SEC was still raising more and more money, paying coaches more and more, and improving their recruiting more and more. The reason the SEC has dominated college football is not "because Florida won in 2007."