Where did all these raving reviews come from?

Rating: 3/10 (7 February 2019)

I came in with high hopes since this movie got some pretty good reviews. I left sorely disappointed. The script is wooden with characters making nonsensical decisions solely for the purpose of moving the plot along. The dialogues are terrible, like they're written by middle schoolers. And the perplexing music choices that do not match the scenes one bit!! The only saving grace is the amount of effort and creativity they put into building an underwater fantasy world, which not many movies have done before. I'll give them that.
But I simply cannot understand how this movie got such a high score! Astroturfing maybe?