I don't know, I haven't seen the film, but, while it's ultimately GL's baby, he had a black director and two black screenplay writers, including Aaron McGruder from "Boondocks," who did the dialog. He had an Oscar winner and an Oscar nominee starring in the film and they, apparently, didn't have a problem with it.
At the end of the day it's the surviving Tuskegee pilots whose opinions I'd rather hear. If they have a problem with it then I'd be more inclinded to disregard the movie.
E...