These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
Moral Event Horizon: If you had not lost faith in Krug when he rapes and kills Mari, then you will when he convinces his son to kill himself.
Narm: The original has a fair amount. Hey, it's a low-budget '70s horror flick.
The bumbling comic-relief cops manage to wipe out most of the film's tension every time they step into the frame.
In the remake, Sadie crying a black tear after they think Mari's dead. Note that this is after they got in all the Depraved BisexualGirl on Girl Is Hot they could.