Google was already in the middle of a class-action lawsuit regarding the incognito mode, where they were accused of tracking user activity. And, they agreed to settle the lawsuit.
To conclude that and move on, they will have to make the necessary changes to prevent another lawsuit against them.
I promise none of these people are using a VPN. IP is plenty.
Chrome never claimed it was spoofing any of those details, and spoofing those details without clearly telling the users what they’re doing and why would murder the user experience. Their position as a browser had literally no impact on that tracking.