Much like you, the writer of the article won't show the math and had her hand held the entire way by a white liberal.
The math overwhelmingly shows that RvW has had a detrimental impact on black Americans. It's not by chance that the largest organization that performs abortions finds it's roots in the eugenics movement of the early to mid 1900's. The stated goal of these fiends is to "weed out" undesirable human traits in the gene pool. Preventing "Negroidism" was at the top of their list.