Honestly, I don't see that being isolated to blacks; Pop culture has created a generation of "feel-good slackers" who do as they please.
A very good point - just take a quick look at MTV (Yes, I know you don't watch it, but it's on your cable or satellite system...go on take a quick look for illustrative purposes). The types of folks they have as VJ's, and the artists that appear, not to mention the kids that show up on drek like "Jackass" and "The Real World" all reenforce that slacker-eduction-don't-mean-jack mindset that we're talking about here.