hurk
if, like me, you're the admin of a Google Workspace, you probably get randomonthly emails about useless new features they're adding that you instadelete
this week's gspam titled "New Workspace Intelligence admin controls" proudly announces that all of your Calendar, Drive, Docs, Gmail and Chat data has been auto-opted-in for mass ingestion by gemini
yes, you have to manually disable it in the Admin panel:
Admin -> Generative AI -> Gemini for Workspace -> Workspace Intelligence Sources -> Off
