Copyranter cowers:

The ad, part of the Louisville mayor's Healthy Hometown initiative, aims to—not scare the living crap out of African-American moms—but to boost breastfeeding among them. If it achieves that goal, I will eat my words (washed down with cow's milk). Sometimes with this job, the only thing to say is: What were people thinking?

Especially since the ad addresses a real problem:

According to the Centers for Disease Control, African American women initiated breastfeeding at much lower rates than Caucasian women and other women of color.