What constitutes an allegorical film?

al·le·go·ry
ˈaləˌɡôrē/
noun

1. a story, poem, or picture that can be interpreted to reveal a hidden meaning, typically a moral or political one.

2. (a literary) symbol.

image: “Bone Tomahawk” (2015)
[[Attention! the mentioned film is hard to watch]]

 Where a movie containing an esoteric account on some occult topic has been made poorly, to the point of being utterly unremarkable, yet intentionally promoted widely and presented by a respected studio with a qualified staff. By way of augmented announcements of intentions, purposefully serving dark sorcery evading/reducing direct consequences of natural law.

Usually, the narrative will depict either one of the topics:
The Matrix – Way out of the control system.
El Dorado – Annunaki intervention.
Bone Tomahawk – Defeating dark occultists.
Atlantis: The Lost Empire.