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					Originally Posted by Adder  But my point is to separate the two underlying motivations for a playoff.  You are focusing on certainty.  I don't place much value on that, but fine.  But you could easily get the same result with the plus one (or a four team playoff).
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 There's one underlying motivation for a playoff:  It's how we decide champions in the United States.  And it's the only way to decide champions when it's not possible to have every team play every other team (as some european soccer leagues do).
There's one underlying motivation against a playoff:  Money--the bowls want to keep it, the BCS wants to keep it, and the NCAA, including all the other teams, want to spread it more evenly.
Anything else is intellectual masturbation and self-interested justification.