They are fine until you hand it over to them and then they are a problem :)
The pragmatic answer is firewalls between layers (i.e. browser separate from search), and competition in layers, plus decent legislation, plus some degree of decentralization.
A long-form way for saying 'unusable'.
If someone in the seat next to me decided to opt out by colouring over their screen with a sharpie, I would not stop them.
Not only is it anonymized, it's very useful. It helps provide essential data for bug fixes, especially for an OS and application software that rely so much on not breaking backwards compatibility.
How can you call anyone paranoid after all that we learned in the past decade?
> Not only is it anonymized
Oh so that's why Microsoft uses a hash of your mac address in multiple products. To make it more anonymous. I'm sure your unique advertisement id is also very important and efivars are only used to make sure your activation is legit.
Operating by "us paying them" doesn't stop them doing a lot worse than google has ever done.