Because of Christopher Nolan, the ending of a Denis Villeneuve sci-fi movie had to be changed. However, this ending change actually benefited the film and made it even better. Despite all the changes in its original script, the Villeneuve movie went on to earn $203 million at the global box office against a budget of $47 million. Although the film is not as mainstream as Nolan's sci-fi flicks, it often gets ranked among the most innovative and narratively complex science-fiction movies ever.
https://screenrant.com/arrival-denis-villeneuve-movie-ending-change-christopher-nolan-interstellar/