I agree, that’s also where I thought the movie was going when I watched it. But maybe we’re more interested in or primed to think about anti-essentialism than the average viewer.
Another explanation though: your ending would work best if it were intended as a single standalone film. But, the creators are surely anticipating a raft of sequels. They need to keep the demons evil to set up future conflict in future movies.
I agree, that’s also where I thought the movie was going when I watched it. But maybe we’re more interested in or primed to think about anti-essentialism than the average viewer.
Another explanation though: your ending would work best if it were intended as a single standalone film. But, the creators are surely anticipating a raft of sequels. They need to keep the demons evil to set up future conflict in future movies.