There's just one problem with a playoff system...and that problem is for the BCS, not us. Take a look in the ESPN College Football Encyclopedia, where it talks about playoffs. It has a very KEY message.
It says that if the NCAA ever ditches the BCS and goes to a playoff system...then all sponsorship dollars would be lost. Because the NCAA prohibits any corporate sponsorship of its playoff systems for Division 1-AA, Division 2 and Division 3. So there would be no more Tostitos Fiesta Bowl, or FedEx Orange Bowl. The playoffs would be simple, without any silly company named bowls or games.
That right there hits the nail right on the head. The NCAA will not do away with the BCS because there are too many companies crying and not wanting to lose sponsorship money that they get from bowl games.