Because if you transfer and are not a graduate, you then must prove hardship to play the next year. The other issue is that there are only a few places local to transfer to if the player wants to stay close to home.
If the implication is that CPJ had only FCS talent, well a few points here, our last recruiting class was ranked 48th, right about CPJ level, Jerry Howard as an example ran through lots of FBS talent so I wouldn't go there, and if CPJ only had that talent, well he is the best coach we have seen in years taking that talent to Orange Bowls.