That’s not your data, why do you think you have the right to prevent the user from doing what they want? Other users shared that chat data with each other, you have no right to that data, so as an app developer I’d say you should not care about the API.

> This user might be okay with their data going to this other provider, but what about the people they’re messaging? I have a responsibility and a commitment to _all_ of my users to protect their data.

That's nice of you but your users are going to just copy-paste data to and from ChatGPT anyway.