The title is very misleading. The latest season wrapped before chatgpt was released. Charlie Brooker typed "generate a black mirror episode" into chatgpt out of curiosity and said the output was s**. See: https://twitter.com/charltonbrooker/status/16664940234254827...
"Charlie Brooker Got ChatGPT To Write A Black Mirror Episode"
but the full title of the article is
"Charlie Brooker Got ChatGPT To Write A Black Mirror Episode, But It Was ‘Shit’"