It isn't just that, it includes publishing houses, Wiley etc, and non-live media.

Even the news orgs say explicitly in the press releases that it's about training on their archive

eg. http://ap.org/media-center/press-releases/2023/ap-open-ai-ag...

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edit, examples:

Wiley https://newsroom.wiley.com/press-releases/press-release-deta...

Shutterstock https://investor.shutterstock.com/news-releases/news-release...

Axel Springer https://openai.com/index/axel-springer-partnership

Stack Overflow: https://stackoverflow.co/partnerships

Disney (for characters in video. Video is especially where licensing is a big difference internationally right now) https://openai.com/index/disney-sora-agreement

etc.

The news corp one had a leaked price ($250mill), so they don't seem to be insignificant. These would have to be included in API prices I presume.