imagines a rivalry between two 18th century Vienna composers, Wolfgang Amadeus Mozart (Hulce) and Antonio Salieri (Abraham). Salieri struggles to reconcile his professional admiration and jealous hatred for Mozart, and resolves to ruin Mozart's career as his vengeance against God.
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It was nominated for 53 awards and received 40, including eight Academy Awards (including Best Picture and Best Director), four BAFTA Awards, four Golden Globe Awards (including Best Motion Picture – Drama and Best Director), and a Directors Guild of America Award for Outstanding Directing – Feature Film. Abraham and Hulce were both nominated for the Academy Award for Best Actor, with Abraham winning. In 1998, the American Film Institute ranked it 53rd on its 100 Years... 100 Movies list. In 2019, the film was selected for preservation in the United States National Film Registry by the Library of Congress as being "culturally, historically, or aesthetically significant".
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Amadeus holds a score of 90% on review aggregator Rotten Tomatoes based on 154 reviews, with an average rating of 8.9/10. The site's consensus states: "Amadeus' liberties with history may rankle some, but the creative marriage of Miloš Forman and Peter Shaffer yields a divinely diabolical myth of genius and mediocrity, buoyed by inspired casting and Mozart's rapturous music."[18] Metacritic, which uses a weighted average, assigned the film a score of 87 out of 100, based on 28 critics, indicating "universal acclaim".
https://en.wikipedia.org/wiki/Amadeus_(film)
NOTE: this is the Director's Cut.
in this case, I suspect they didn't like the ahistoricity, or the irreverence.