Not just the promotional images, but also the scripts for the actors were AI generated
The AI also created a whole new character called the unnamed (Edit: unknown, not unnamed), a shadowy chocolate-maker who became evil and lives inside the walls
Edit: Also they didn’t have any chocolate and each guest only got a single jelly bean and a 6cl shot of lemonade
Genuinely, The Unnamed is still a more logical extension of the Willy Wonka lore than the actual sequel book, which involves a plot by shapeshifting aliens to take over a space hotel, Willy Wonka being declared an enemy of the state by the president of the US, and confectionery that can alter time itself.
BBC tracked down the guy behind it and found that he had 17 self-published books on Amazon. According to the reviews they’re total nonsense that’s clearly written by AI.
Yeah, there are some nice articles from the BBC on this, including one with the person playing that masked-character. The dialogue/story for actresses/actors was apparently LLM-gibberish as well.