Dave is good but he still does a lot of the hacky race-centered comedy that all black guys do.
I'm no expert on him but that's been my impression as well. The constant cocksucking like he's the christ of comedy is nonsense. Off the top of my head, Cosby is the only black dude I can name whose skin wasn't his act. Im sure there are others but it's so fucking stale I don't get how anyone is still working that angle.
The other over-fellated fellow is Kinison. Had a couple good bits but was awful most of the time. It was like he didn't get his own appeal. The fury beneath. "This guy might pop" is undone by constant popping, Sam. Then there's no where else to go with it. If he was a porn guy he'd nut in the first minute then spend the next 19 trying to continue with a half rubbery one.