Spoilers - S06E05 (Demon 79) meaning

So I just watched this episode. Does anyone understand the ending? I'm not sure what I'm supposed to take away from this.

2 comments

What don't you understand exactly?
- I guess what I don't get is, what's the takeaway message here? It feels like a story without a moral. Unless the moral is "humans can't hurt a few people to save thousands"?