Nothing got reversed, she still can get D anytime she wants, but now she knows he's avoiding her so he'll probably also see her get railed again and go back to his old self.
Remember, when you're at the top, the only way you can go is down.
I think the backlash was because it was forced/blackmail not because of the Ntr itself, the author himself was dissatisfied with the route.
Currently there is nothing to retcon.