Horror channels its own Zeitgeist’s fears.
Alice, Darling might not sit squarely in the genre, but the source of its horror is very du jour:
How living inside female psychology, traumatized by toxic masculinity, can mirror the hallmarks of a horror movie; no need to embellish for effect when your everyday life feels like a horror movie.
Think: gaslighting, stockholm syndrome, etc.
Now you’ll notice this motif everywhere you look (on screen and off).