Just because it's in some ToS doesn't mean people were "100% aware of its privacy". A large percentage of people still don't know about it.
The closest statements are mealy-mouthed ones along the lines of "we collect information about how you use our services and use that information to improve our services". Which is true of every single business in the history of the world.
> Our automated systems analyze your content (including emails) to provide you personally relevant product features, such as customized search results, tailored advertising, and spam and malware detection.