I can only go by what my eyes showed me, which is that those three guys could ball; and Coach McCollum's words that he wanted the fans to recruit them to stay. If Coach thought they did not fit, not sure why he would make the effort to keep them.
I don't think it is fair at all to point the fingers at those three guys as the reason Fran's program came to an end. The decision to move on from Fran was many years in the making, and ultimately, it was on Fran to put guys in around the three to elevate the program and for whatever reason, that did not occur. The notion that McCollum did not want Josh Dix to return is rather ludicrous.