Stupidity: The 'big plot twist' is provided by one of the characters being the offspring of one of the victims of the killer miner from 20 years prior - and it is a known fact, apparently. Rewatch the movie with this in mind, and the behaviour of the various characters makes no sense - they keep calling the story some sort of urban legend and treat it with nonchalance, but one of them was literally orphaned by "The Miner" without that fact being mentioned a single time.
Stupidity: When John gets back to the room where Sylvia is supposed to be waiting for him, he completely fails to notice that suddenly every coat in the room has dropped. It would have obscured the sight of their makeshift bed, which obviously would be the first place he'd direct his eyes to. It's just absurd he wouldn't notice.




