James Cameron ("Avatar", "Titanic", etc.) used to argue that high frame rate was more important than higher resolution. If you're not in the first few rows of the theater, he once pointed out, you can't tell if it's 4K anyway. Everyone in the theater benefits from high frame rate. This may be less of an issue now that more people are watching on high-resolution screens at short range. Cameron likes long pans over bea…
You neglect to mention the fact that we are so used to seeing 24 fps that anything above it doesn't look like a movie. Why do home videos have that "home video" look? The biggest reason is the 60 fps frame rate - it just doesn't feel cinematic. Even the 48 fps of the Hobbit films felt too "lifelike" and not cinematic enough. A lot of prominent directors, as you've mentioned, say they'd like to move towards a world wi…
(Film is really dead. There are some directors still making noise about shooting on film, but it's digitized for editing.)