You couldn’t make Idiocracy today because it wouldn’t be a comedy.

You couldn't make Around The World in 80 Days today because that would be considered extremely slow.

You couldn't make Last Tango in Paris today because tango is no longer danced in Paris.

You couldn't make Jaws today because the technology to build a more believable shark exists and it would be much less suspenseful.

You couldn't make Throw Mommy Off The Train today because they would be discussing their murder plot on Twitter and get caught in the first act.

You couldn't make Trains, Planes, and Automobiles today because of America's crumbling infrastructure.

You couldn't make The Manchurian Candidate today because no one plays solitare with a real deck of cards anymore, and few people play it on any electronic devices due to she sheer amount of other options available

You couldn't make The Terminator in a decade because it'd just be a documentary

You couldn’t make the original Star Wars trilogy today because Disney owns it and would sue you into oblivion.

You couldn’t make morbius today because it was perfect the first time and should just be re-released.

You couldn't make Blazing Saddles today because all the actors would read the script and say "This is Blazing Saddles! This was already made!"

You couldn't make You've Got Mail today. Dating someone over email without sending pictures would be so weird that it would detract from the whole story

You couldn’t make Home Alone today, because a middle-aged man beating up a bunch of old guys would just hit wrong

You couldn’t make the Wizard of Oz today because of OSHA (the snow is loose asbestos).

Feels for the people who first watched Wizard of Oz on a black and white TV.