All the products including all the products?
"...all of our products — including all 7 of them with 2 billion users..."
It tells people that 7 of their products have 2b users.
"I brought all my shoes, including the pairs that cost over $10,000" is saying something about what shoes you brought, more than "all of them".
-Hey, are you done packing?
-Yes, I decided I'll bring all my shoes, including the ones that cost over $10,000.
What, they just couldn't help themselves?
More specifically, they are trying to emphasize the point that gemini is being used with seven products with over 2 billion users. However, the above user is right that this was a bafflingly terrible use of English to establish this fact.
"including all seven of them with 2 billion users"
It's why the quoted text is obviously written by a human.
Short sentence fact. And aspirational tagline - pause for some metrics - and more. And. Today. And. And. Today.