Because the film was considered a "risk," it didn't have the aggressive marketing push of The Matrix . Today, Cloud Atlas has found its audience via home video and streaming. However, in many regions, it is locked behind paywalls or unavailable on major platforms (Netflix, Amazon Prime, or Disney+ depending on your country).
The Wachowskis have stated that the reason studios won't fund movies like Cloud Atlas or Speed Racer anymore is because these films are "unreliable." When audiences pirate niche films, the algorithms tell executives: Nobody wants to see this.
The movie’s famous tagline is “Everything is connected.” If you pirate the film, you connect yourself to hackers, identity thieves, and the degradation of the film industry.
Instead, rent the film. Watch it on a big screen with good sound. Let the musical score ("The Cloud Atlas Sextet") wash over you. And then, buy the book. Cloud Atlas deserves your attention, but it does not deserve to be stolen.