While I do believe the stars can be overrated, I still think they matter for the most part. The teams over the past decade with the top classes (for the most part) have finished at the top.
If you could make a class full of 2 stars win the NC, then East Carolina, KY or So Miss would have done it.
I will say this: I would rather have 5 star OLmen and 3 star skill guys than 5 stars skill guys and 3 star OL men.