"They think she’s got the wrong image, having a child out of wedlock."
Should the actor playing a real person in a biopic have a private life that matches up with the person she's portraying? You could say, hello, it's what we call acting. Is Fantasia good at pretending to be Mahalia Jackson.
But the PR is part of a movie like this, and, really, why make such movies at all? You can see and hear Mahalia Jackson right now, for hours, over at YouTube.