The final AP poll is out, and as usual, it’s wrong. The writers that vote in it are always going to be biased. They factor in their fandom, and give weight to the teams they watch the most, I.E. the ones they cover. Much more insidious and destructive, they give far too much weight to what they think, and what they predicted.
College football is a highly competitive sport, involving 22 starters on each side of the ball. There are a variety of outside factors that influence the game, like home field advantage, the weather, and the way the ball bounces.