Lord of the Flies explained some things that we now see today, such as leading or being the follower and being good and evil. There are something's I'd like to point out though, which is the fact that the kids were between ages of 6 and 12 I believe, and they had no grown up. They were thriving to surive with food and shelter. They had no one to tell them to do, and they were lost in control, which then leads them to do the unbelievable. So answering your question, the message is relevant.
Answer: Kindness is what brings the world to life. Moana showing Te ka kindness and compassion is what led to Te Ka returning back to Te Fiti, the living mother island and restoring the world to it's beautiful and fruitful live. From what I picked up from the movie, and from Maui says it to her, the ocean chose Moana because it missed being sailed on by her people. ... Ocean is her friend. Her grandmother knows that Moana can bring back the lost glory by returning the goddess, Te Fiti, her heart.
Because the co-workers Rita kept her eyes on her work and never said much. Laura concluded that Rita wasn't very smart. When a new procedure was introduced on their floor, Laura made several errors. Rita showed her a simple way to remember each step.