With her, it’s a much more interesting beast, a show that allows an Oscar-winning actor to expose the story’s flaws and elevate it as a curiosity all at the same time.
Whatever reasons Zellweger had for wanting to take this role (and you can only hope there were several hundreds of thousands of them), she transforms What/If single-handedly.
Without her, it might have been a mere aberration—anachronistic, clunky, and immediately forgotten.