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.
Of course they did. It doesn’t take any kind of abuse of the browser to do that. It’s all on the website side and everyone does that.
Ban most data gathering websites do. But this has literally zero to do with the browser.