The story is a powerful one. This film is a piece of cinematic history because of its novel use of the camera, inter-cut story lines, etc. But these novelties don't speak to the films enduring qualities as a good film.
Though I do feel that many critics who want to rate Citizen Kane as the best film of all time are confusing the categories of film history and film criticism a bit, I do feel that the story in the movie is a strong one.
In the Hearst-like character we have a figure that is at once archetypal and real, offering an image of American industry and values and demonstrating how thin the line is between success and failure.