I think it really is just UNC and Duke. You rarely ever see guys outside the Top 30 consensus included in the McD game but Duke and UNC have recruits rated all the way down to the 70's included. Look at Marshall Plumlee, the Wear Twins, Larry Drew, Neil Fingleton. These guys are amongst the worst McD players I can remember. And every single fringe McD guy will be included, guys like Dexter Strickland and Quinn Cook.
In regards to Vitale: I think he provides some slight advantage but also adds to how polarizing they are to the public. Many fans can't stand Duke, maybe in small part to Vitale, and many of these recruits grow up as basketball fans as well who perhaps don't like Duke. The Dukies had a nice little stretch where they were definitely not considered an "in" school for a lot of kids (pre-Kyrie). They have missed on many of their top targets recently, and I don't know how to avoid involving race, but most of these kids they have missed on have been inner city, frequently African American kids. Duke isn't the cool school for many AA kids growing up in cities across the country.