Been thinking a lot about PROJECT HAIL MARY and Greig Fraser's "film out" process.
It was shot digitally, then printed to film stock, and then that film stock scanned for the final edit.
So a DCP will have some film texture. The 70mm prints would get "double" texture I suppose. All this is to say: see it big, but not sure you need to prioritize 70mm IMAX screenings like you would for, say, OPPENHEIMER.