She's produced the most financially successful films of all time on a consistent basis for her entire career.
There's an old saying, success has a thousand fathers but failure is an orphan.
Kathleen Kennedy is associated with many past successes. How much of that is a direct result of her input is an open debate. Even George Lucas was given too much credit for the good things in Star Wars as the prequels (absent most of his old collaborators) taught us. If you want to point to a critical (unsung) female figure responsible for the good parts of Star Wars, look at Marcia Lucas.
I'm just not very quick to high-five people for their work in Hollywood as I feel there's far too much surfing on other people's coat-tails .