Something that's confused me about detector products is: presumably OpenAI stores all prompts and responses. Wouldn't it make sense for them to provide a detect

Something that's confused me about detector products is: presumably OpenAI stores all prompts and responses. Wouldn't it make sense for them to provide a detector service that checks against their own records? Sure, students could use another LLM but it seems like low-hanging fruit to at least offer that as a product to higher ed.