beyond "nobody reads anymore," this is because many modern filmmakers work off of a base of the filmmakers they were inspired by, whereas those people were building off of art, sociology, history, and yes, literature. Obviously isn't true across the board, but you know
i saw pta in some q&a recently talk about how thereās so much amazing craft in films coming out today, from the directing to the photography, but the actual writing nowadays has really gone downhill