Good points, especially with regards to home video compression. I'm not a pixel peeper, but on a 10-foot screen when watching 4K Blu-ray, I see too many compression artefacts around moving objects at a regular viewing distance (e.g. a person moving against a static background has a "halo of...
Robert, have film scanners improved by a wide margin over the last decade (or two)? Would a 4K scan of an OCN today on a modern scanner capture more information than a 4K scan a decade ago on an older scanner? Or is it our tools beyond the scanner that matter more today? I'm thinking of, but not...