End users: To access Gemini summary cards, users need to have smart features and personalization smart features in Gmail, Chat, and Meet and smart features in Google Workspace turned on. Visit the Help Center to learn more about collaborating with Gemini in Gmail.
Sounds like it’s an opt in, what am I missing
If you already had smart replies or similar enabled (they were available before Gemini hit the scene) then you have to go opt out.
That makes sense
Because it’s a clear step on the enshittification slide. It’s opt in for now.