Rodriguez's Spread v. Michigan's Personnel

So one of the obvious gaping concern with Michigan hiring Rich Rodriguez is how his spread offense will work out with a Michigan team that may not be well suited for it. Mlive.com's The Diag blog has a look at the potential that's there, and it is intriguing. He addresses the one thing I've not understood from those in the media bringing up Michigan's roster as being at odds with the Rodriguez way: Why do none of these "expert" pundits seem to consider the possibility that Rodriguez can adapt his offense to better fit his new personnel? That is what good coaches do, right?