Problem is, I just don't believe those numbers, the way we all know the left likes to fuck with those.
Fact is, blacks are in OLD social models. It is not likely they watch news, or troll on these sights. (hence why Kanye and others are such YUGE assets).
Ideally, a print and all around culture campaign (movies, art, music, ground events, etc.), and planted stations to organize (NGO/Church style) would be necessary for a true reform.