Everyone who watches First Man in IMAX will literally see the movie differently after the moment Armstrong walks on the Moon.
For director Damien Chazelle the answer was to film the lunar sequences from his biopic about Armstrong, First Man, with IMAX cameras.
Disregarding the costs for a moment (and sure, they can be high) why isn’t every big blockbuster movie shot on IMAX?
The lack of genuine IMAX screens, along with the expense of shooting with IMAX cameras (particularly on celluloid) is a big prohibiting factor for many productions.