Shawn Hill knows two things: comics and art history. Somehow that led to him writing the Harvey Kurtzman entry for Icons of the American Comic Book: from Captain America to Wonder Woman (2013). He also writes art criticism and is a member of the International Association of Art Critics (AICA), an NGO of UNESCO.
Ultimately, the film settles for being one of those British apocalypse tales about the inevitable demise of the Empire, down to a drowned world scene near the end of the film.
These aren't your baseball playing Twilight vamps, these are eldritch beings stuck in their own worst patterns for centuries, torturing each other to epic degrees.