He is a fraud in the very sense that he tries to portray himself as something (or someone) that he absolutely is not.
That program has been (and is) littered with guys that not only lacked character, but were flat out bad and misguided individuals...and he likes to portray himself as some bastion of morality.
A guy that is great at getting talented kids to come and play for him...absolutely...a guy that has had tremendous success in terms of winning basketball games...no doubt about it...all at a cost though, and he is a fraud from the perspective that he tries to not only ignore that, but deny it.