I think the problem goes deeper then everything is little more then a copy of a copy of another copy.
It starts to get deep when any content creator or producer can't not but think of popular things that came before as soon as they hear of something. You even think of a sci fi space movie, people think of Star Wars, for example.
Now this is not all bad on the surface, and making a nod or homage or tribute to something. The problem starts when the past content is so overwhelming that they can't even dream not redoing the old content. But it gets worse when they can't even see that it is happening.
And this effects everyone the content must go through, not just the writer. Anyone in the whole system might have the power to change something or force something. This might be the worst, as no matter what is created, by the time they get to the end product someone has forced the change back to the past content.
Bob writes some space adventure content, thinks of Star Wars of course, but then says does not want to do the "like WW2 in space". It hardly matters as producer Dan is 100% fixed on "woo hoo it will be just like Star Wars, pew pew!", and as he controls the money, he gets the final say. That writer could have made the most unique content ever....but it will never be seen.
And this keeps happening over and over and over again.