That's not what the sentence says. "Now millions of developers are building with Gemini. And it’s helping us reimagine all of our products — including all 7 of

That's not what the sentence says. "Now millions of developers are building with Gemini. And it’s helping us reimagine all of our products — including all 7 of them with 2 billion users — and to create new ones." That does not imply that Gemini will start receiving requests from billions of users. At best it says that they'll start using it in some unspecified way.