When they can stop Izzo and others from coming in and get top Indiana talents every year and keep them at home that will be a big help with everythingYou can't hold it against Duke that they're usually a high seed. That's because Coach K built the program into that.
Duke has earned the right to have some poor NCAA appearances, because we know they're a perennial FF contender. Purdue and Duke shouldn't even be mentioned in the same sentence when it comes to tourney success discussions.