the headline makes perfect sense
but
reading the article, I disagree with the court
there is a difference between what a reasonable person would expect to experience in a regular ‘haunted house’ (Casper the friendly ghost saying BOO, maybe a skeleton making creaking noises, or??)
AND
what happened to this guy .... (a scary employee chasing him with a gas-powered chain saw!?????!! Since when is assault with a chain saw part of normal Halloween haunted house amusements?
While the shower scene in Psycho was the big slasher film for many of us (in a gentler time), this and Night of the Living Dead (1968) were two landmark horror flicks which spawned entire franchises and numerous sequels, imitations, or spin-offs which took film from the mind bending horror or creature feature to the splatter flick.