This is in the OpenAI terms of use.

> Ownership of content. As between you and OpenAI, and to the extent permitted by applicable law, you (a) retain your ownership rights in Input and (b) own the Output. We hereby assign to you all our right, title, and interest, if any, in and to Output.

https://openai.com/policies/row-terms-of-use/

If you don’t want to name names based on your sources word, how about looking at the terms of service for the outfits they mentioned and validate if it is true or not? If true, then post details. I’m not sure what the point of this post is, other than to waste the time of other readers to do research on your behalf, without the information you claim to have, but won’t share.