While I hope/think that you are right that NW will suck for a long time to come (I'll take all the easy W's I can get in this damned conference!), it's kind of ironic to me personally that they are (allegedly) considering a Duke assistant, as I've often wondered how different Duke & NW really are on paper.
Granted, I know Duke had a pretty strong (certainly much stronger than NW) bball tradition pre-Coach K, but consider:
1) Small private school (both teams, check)
2) Play in a conference much larger public schools (both teams, check)
3) High academic standards (both teams, check)
4) Located near large, basketball-rich metropolitan areas (both teams, check - NW, obviously Chicago...Duke, the "Tech Triangle" or whatever they call it out there and pretty easy access to a lot of the Atlantic seaboard)
I'll say it again for emphasis - in college sports, like in a lot of things in life, past performance is often one of the best (if not the best) predictor of future performance. NW sucks and has sucked since pretty much the beginning of time...HOWEVER, it wouldn't be too hard to imagine that a Duke assistant might recognize some of the same parallels I just pointed out above & be willing to give it a shot.