True horror isn't supposed to be corny ass jump scenes and over-the-top gore. Horror should be psychologically thrilling and spooky.
You can't say this in relation to Hereditary as after the first half of the movie it definitely devolves into silly cult tropes and jump scares. so much unintentional comedy. the dad bursting into flames Or you think the mama crawling on ceilings and naked old white people aren't corny