Exactly. It's nearly impossible for blacks to be racist in the US. It requires a position of power, which they don't have. The laws that have worked against them over time, were created by white (almost all male).
Racism is one race's continued practice and control over another race. Prejudice is what many republicans deem racism, which comes more from experience, or what your environment teaches you.
Whites experience virtually no racism towards them in the US. It's the absolute exception, nothing more. The majority of (nearly all) blacks in our country has experience racism towards them. Laws, financial institutions, educational institutions, employment, housing, and much more, are not in their favor.