This!
That may be the goal, but do you think the day could ever arrive where, for example, the junior Hornets could be a draw similar to Duke or UNC?
It works in Europe because a) it has been embedded in the culture for nearly as long as the senior professional counterpart has been around and b) there really is no European version of intercollegiate sports. I've come across a massive number of Europeans over the years who are completely baffled by the popularity of sports tied to universities (and high schools) here. It is a concept they cannot really grasp as there have nothing there that relates to it (not even "the boat race" which kind of started it all).