Here's my take on why some movies from the mid-2000s onwards seem overly dark, gritty, or dreary. Take it with a pinch of salt—it's just an opinion!
It's hard to pinpoint exact reasons behind aesthetic and tonal trends in movies, but here goes nothing.
The first half of the 2000s saw a continuation of the torture-porn trend that emerged in the 1990s with movies like Saw and Hostel. These films were a product of the post-9/11 era, reflecting a global mood of anxiety, paranoia, and a fascination with the horrific. Often criticised as little more than shock value, these movies found an audience drawn to their graphic content.
At the same time, the emergence of digital filmmaking and laptop editing software meant that more directors could get their films made and distributed. Many of these had a low budget and relied on a gritty, dark aesthetic to compensate for limited special effects.
The found-footage trend, pioneered by movies like The Blair Witch Project and Paranormal Activity, also contributed to a general tone of gloom. The hand-held, naturalistic filming style—often combined with a supernatural plot—created a sense of dread and unease.
Another influential factor was the internationalisation of horror. Asian cinema, in particular, saw a string of eerie supernatural chillers—often with a distinctively bleak atmosphere—that were either remakes or inspired Western adaptations. Let the Right One In, for example, a Swedish vampire movie with a serious tone, was a prominent release in 2008.
The early 2000s also saw a wave of serious, often violent, psychological thrillers. Memento, for instance, is a mind-bending story told through a non-linear narrative; Session 9 is a creepy tale of a group of asbestos removers working in an abandoned asylum; and Don't Be Afraid of the Dark is a horror-fantasy about a mysterious house and its sinister inhabitants.
Some movies capitalised on the zombie craze, 28 Days Later being a prime example. With its fast-paced, violent zombies, the tone was set for a more intense and grim take on the genre.
The decade's appetite for grim and gritty storytelling isn't limited to the horror genre. The Dark Knight, for instance, is a serious and dark take on the Batman story, and is often cited as one of the best superhero movies ever made. The Bourne series, too, with its gritty realism and intense action, provides a stark contrast to the more fantastical James Bond franchise. Even the Harry Potter series took a darker turn from The Order of the Phoenix onwards, reflecting the increasingly mature themes of the later books.
It's also worth considering the impact of critics and cultural commentators. With the proliferation of film criticism online, and an increasingly vocal audience, movies from this period may have been influenced by—or responded to—the tastes and expectations of a vocal minority.
Finally, it could be as simple as producers and directors aiming to create something memorable, original, or impactful, which in their eyes requires a darker, more serious tone.
Whatever the reason, it seems the mid-2000s onwards saw a shift towards more serious, gritty, and yes, dark themes and aesthetics in cinema. Whether this was a conscious trend or a natural evolution in storytelling is difficult to say.
On the flip side, if you're fed up with all this grimness, there are plenty of fun, lighthearted, and wacky movies from the same era—you just have to know where to look!