A bias against Cletus or Billy Bob is a bias against a subset of a racial group. When the name you're biased against is represented by the entire group, it the only conclusion is that it is a bias against the racial group itself.
Lets take this a bit further. For your resume to not be biased against from the start, you have to not have a "typical" black name; essentially erasing any indication of your race from your resume. How is that not a bias against the race?