Wicked is a great example of how a good play, stage musical, or book doesn't necessarily make a great movie. I respect the idea behind staying as true to the source material as possible, but there are things that need to change when adapting to a different medium. In Wicked, this manifested as pacing issues and very awkward dialogue and character interactions.
That being said, Grande and Erivo were both outstanding. Their chemistry made the movie work and their singing…