In the suggested content this week I read/watched, if you look past the unusual storytelling methods, you'll find the story is usually pretty comprehensible, straight-forward, normal (in the context of a story). 'Jack' by China Mieville, when stripped down from the Reformed and the science fiction elements, is a story about a Robin Hood type who died a martyr. 'Cabin in the Woods' is about an organization who is tasked with finding people to be sacrifices to appease the Old Gods. 'Under the Skin', under its quiet and unsettling filming, is about aliens who harvest humans for food, nothing more.
For all of these, what makes it weird is the way it's told. The lack of a linear storyline, a narrator that confuses the story long before they explain it, or just a general lack of straight forward explanation. We as a society is very used to a certain method of storytelling, and when thats twisted or stripped from something then we feel unbalanced and weird.
As a culture we are drowning in content, so any story that can tell us something we can understand, but tell us it in a new, weird way is something we are drawn to. It's compelling to get an old story told a new way. It's just strange enough to keep us watching/reading, but just close enough in explanation to what we know that we don't feel lost.
I think there are stories out there that have the tone of the weird, but also have a hard to follow explanation, and therefore are a bit more dividing as stories. 'The Aquatic Uncle' for instance, or 'Annihilation'. Both stories were perhaps told a bit more straightforward but had no easy to comprehend explanation at the end. Their actual content was more confusing and required more thought.