A new book is published, and all of the publicity material keeps pushing its similarity to another huge commercial success. But not everyone reads publicity material, and to read a book's blurb you have to be persuaded to pick it up in the first place. So how to you subliminally make the millions of readers of a certain black-folks-can-only-succeed-if-good-white-folks-are-their-champions novel pick up your book? Colour coding.
The original (in a couple of different but matching forms):
Regarding The Help, my views are summed up by this parody poster (sorry to whoever created it, but I can find no original source by Ali Gray, from here):