Since at least the 60's and likely long before there have been positive portrayals that border on hagiographical of especially blacks in cinema. This idea that somehow what's happening now is just pushback against negative portrayals is a little silly. Blacks are so ever present in entertainment and advertising now that barely anything gets made without them present even in things like historical drama where they are completely out of place. This isn't blacks fault though it's the fault of Jews and whites.

Ultimately though this whole question should lead you to the same conclusion myself and much of the dissident right holds: we need to have our own spaces and own places to produce culture for our own people. This whole thing just represents the utter insanity and unworkability of multicultural and multiracial societies. Inevitably in societies like ours every time you create art you have to be constantly considering the feelings of different groups -- except whites of course fuck their feelings and if they don't like a black Anne boleyn then they're a bloody racist. Every advertisement and work of art now is playing this weird role of therapising the different and often mutually hostile groups our elite has decided to import. That's not how a functioning society works.

If we had our own nations and centres of cultural creation like normal countries do none of this would he necessary.