Not only 1999 prevents humans from becoming too advanced and invent new AI again, it is a believable and comfortable era. A perfect time, perfectly balanced between analog and digital.
Also for VHS camcorder footage
The introduction of massive of low-quality creations has made high-quality art much more in demand. Low-quality AI art and music has become a huge blinking indicator that says "SLOP". Hand-made, uniquely styled, quality art now has a "luxury goods" vibe, and people are willing to pay a premium.
* On first seeing a photograph around 1840, the influential French painter Paul Delaroche proclaimed, "From today, painting is dead!" [1]
* Charles Baudelaire, in 1859: "As the photographic industry was the refuge of all failed painters, too ill-equipped or too lazy to complete their studies, this universal infatuation bore not only the character of blindness and imbecility, but also the color of vengeance. [...] it is obvious that this industry, by invading the territories of art, has become art’s most mortal enemy" [2]
[1] https://www.barnesfoundation.org/whats-on/early-photography