The Russians will obviously use it to spread Kremlin's narratives on the Internet in all languages, including Klingon and Elvish.
https://www.cyberark.com/resources/blog/apt29s-attack-on-mic...
It's very hard to argue that when you give 100,000 people access to materials that are inherently worth billions, none of them are stealing those materials. Google has enough leakers to conservative media of all places that you should suspect that at least one Googler is exfiltrating data to China, Russia, or India.