These films contain excessive graphic violence, intense or explicit sex, depraved, abhorrent behavior, explicit drug abuse, strong language, explicit nudity, or any other elements which, at present, most parents would consider too strong and therefore off-limits for viewing by their children and teens. NC-17 does not necessarily mean obscene or pornographic in the oft-accepted or legal meaning of those words.
It would be fair to all if Apple included this movie. When I select Watch, it goes to a different movie each time. There's nothing wrong with interracial sex. It's actually truly hot.