It's possible that 3 of those 4 will end the cfb season with perfect records.
Let's say Alabama played Oregon(and beat them) for the National title....but K-State wins whatever BCS bowl game they have....and let's say ND wins their BCS bowl game.
Would YOU personally consider all 3 national champs in some respect?
Do you think the NCAA would just ignore conference bowl matchup protocols and matchup K-State vs ND to make it so there's only 2 unbeatens?
Would you conisder the winner of that game as co-national champs?