You can get the prompt in Japan, but it costs you. There's a whole studio behind it. These people also need to eat, you see.
Get with the times. It's just virtue signaling at this point :)
Because vice signalling is so much better.
I opened it up to look at the metadata, and I'm surprised OpenAI doesn't include any information like that (I believe ComfyUI generated images do by default). All it says it's by ChatGPT.