It's not whether she is the best "they" could do, given that she herself is producing the film, the whole reason there is gonna be a film is because she decided to finance it and play the role.
I used to love Nicole Kidman, somehow after she won the Oscar she decided to star in the worst movies she could possibly make. I trust that somewhere behind all the plastic surgery, the wonderful actress she can be remains.
"Some people can thrive and bloom living life in a living room, that's perfect for some people of one hundred and five. But I at least gotta try, when I think of all the sights that I gotta see, all the places I gotta play, all the things that I gotta be at"