When a startup announced plans last fall to recreate lost footage from Orson Welles’ classic film “The Magnificent Ambersons” using generative AI, I was skeptical. More than that, I was baffled why anyone would spend time and money on something that seemed guaranteed to outrage cinephiles while offering negligible commercial value.This week, an in-depth profile by the New Yorker’s Michael Schulman provides more details about the project. If nothing else, it helps explain why the startup Fable an