Amazon was pushing 'Totally Killer' on me, and I couldn't make it through that one either. This one also appears to be targeted towards the 14-34 female, um, let's say "Velma" demographic, so I'm probably not the audience they're going for. I guess I was expecting more of a "Disturbing Behavior" type movie, but BKoCA is more like a spoof of a horror movie than it is a horror movie.
That being said, it's a horny/gory teen comedy that leans heavily on current-day tropes which
won't make sense in the future, so if you hadn't heard of this movie before, then you probably won't hear about it again. It employs levels of acting and writing that you would see on The CW. The camera work and audio is well done.
This was made for a pretty specific group of people, so if you're in that group you'll probably love it, but otherwise you deserve a medal for making it through the first hour.
PS- I saw someone else mention that it has themes of "And Then There Were None", but implying that these writers read Agatha Christie is giving them way too much credit. I could see if maybe they watched a YouTube video summarizing the film adaptation.