While I suspect there's no deep strategy behind it, one could argue that there's the possibility that long-term, future social networks are going to pop up insi

While I suspect there's no deep strategy behind it, one could argue that there's the possibility that long-term, future social networks are going to pop up inside things like Fortnite or Minecraft, and Google would want to capture as much of that space as possible (and sell adverts into it).