No one's overrating Creighton. I'm sure their upset odds are pretty low.
You used the phrase, "When they beat Duke...". Are you backing away from that ballsy assertion? Are you correctly assessing Creighton? Or, are you overrating them?
The MVC is not a better conference than the ACC or the BigXII. The MVC got lucky with a good draw against Gonzaga, who has once again been exposed as a team that collects 30 wins a year against nobodies.