I think you have to be careful about what you call a stud. Granted, Deberry is a pretty good player in the sense that he can score, and without knowing remaining potentials I'm guessing he has room to become a VERY good shooter. That being said, the guy's ATH and DEF are so bad, he really would never be a guy I wanted to start. Even as a senior with great IQ, he won't be able to guard anybody. And since it looks like you press, he'll probably commit a lot of fouls and have trouble staying on the court.
A guy who can give you 15+ PPG off the bench can be useful, but when he's this bad defensively, it's still a mediocre +/- contribution. I think there are a lot of coaches who underutilize average defenders who are very good scorers, especially if they have a secondary strength. Too many guys prioritize defense too highly and ignore players who might be adequate defenders with, say, great scoring and rebounding potential, or great scoring and PG skills. But there are limits, and I think Deberry is pushing them. I'm not saying I'd never recruit him, perhaps on a team that was desperate for some outside shooting to balance the offense. But he'd have to be very cheap, and I'd never plan to start him at any point in his career. When a guy's that bad defensively, he's hard to count on (because of fouling issues) and hard to make a particularly positive contributor because of the scoring he'll allow. When I project a guy to his senior year and then figure he might be little better than a push coming off the bench against some sophomore on an average team, I need a very good reason to recruit him. Again, I'm not saying never. But I would also never call him a stud.