TNC goes from the systemic challenges an individual trying to drop weight faces to the society-wide choices of institutional racism:

I don’t write this out so that I can establish blame/guilt. To the contrary, the point is that the system was so far-reaching, that it took a conscious, deliberate and often personally dangerous effort to defy it. Against all odds, against a media that reinforced the assumptions of the system, against segregated social institutions that prescribed the assumptions, against whole familes which had bought into the assumption, one would have to rebel and say, “No.”

Read it.