The reason for this is that the creator wanted to "hack" Google's AI and ChatGPT, see his article at
https://www.bbc.com/future/article/20260218-i-hacked-chatgpt....
See all the people who submitted that article at https://hn.algolia.com/?q=https%3A%2F%2Fwww.bbc.com%2Ffuture....