'Not even a horror movie'
'It redefines the genre'
'This generation's Exorcist'
Just four snippets I picked up from reviews read after seeing Hereditary. I'd say those four bits embody what's wrong with how we view horror films.
Horror is and will probably always be my favourite genre. And there's a lot wrong with it. At least, in my PERSONAL opinion. Most horror films focus on scaring people. Which is fine, but also very easy, more often than not making them predictable and rather boring. Terrifying someone, now there's a challenge.
Another thing that tends to happen is that filmmakers apparently feel the need to create something completely unique. It's of course a good thing to strive for…