With time, college sports programs will realize that NBA/NFL Championship teams are very rarely built solely through free agency, and continuity matters a lot.
I have to believe coaches have always realized that but it is now out of their control. The days of successful teams relying on players in their third, fourth or fifth years in the program are in the past. The Kent State, Ball St., EMU, and more recently UB basketball teams making deep runs in the NCAA tournament come to mind. I, for one, do not consider this a good trend.