If I had to watch one more shot of the killer walking through the forest, a damn field, or some other picturesque landscape I would have sworn I was watching a 3rd person nature documentary.
I don't mind a film being slow for the sake of tension building or for a great payoff (think Jaws, slow but a HUGE payoff) but this was slow and tedious to the point I thought the director was having a joke at the watcher's expense. It genuinely went on for so long or so repetitively at times I particularly thought I was watching a satirical horror movie. Think of that scene in Monte Python and the Holy Grail where they replay the same scene of a knight running towards you over and over.
There were some original kills (credit where credit is due, the overlook kill was fantastic) but to see other reviews saying that it's horrifying, and the most frightening, gory film they've seen makes me question how much horror the reviewers have actually seen.
It's a more ambient Friday the 13th / Jason film and nothing more.
Walking out of the theater, I passed a man who turned to his wife and said, "Well, we'll never get that time back" and he's absolutely right.