alt Hacker NewsEvery film is colour corrected and graded digitally (in addition to all the special effects and compositing work), and this is in fact one of the cheapest parts of the process. So no, it's not remotely a consideration.
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Not every film. It was widely reported that Oppenheimer was color graded photochemically, and the 65mm film physically spliced (the editor of course worked in Avid with digital film scans). This means that 70 mm screenings were projecting a fully analog end-to-end pipeline. The exception, of course, is the visual effects shots, which went through a digital intermediary.
The same seems to be true of The Odyssey, although the reporting is less clear as of now, and I suspect there are many more visual effects shots than Oppenheimer.
I thought I saw a video showing they were color-grading The Odyssey in analog using old style color filters?
edit, this user found the video:
Sad. A little more cheap colour correction and grading and we'll be back to b&w movies.
In his 60 Minutes profile, Nolan shows how The Odyssey was color corrected optically
I had the same question. I wondered why seeing a 70mm print was supposed to matter if it was going to get digitally edited and color graded anyhow. The answer turned out to be that neither of my speculations were true.