It further entrenches Facebook and Google's monopoly on adtech and solves nothing against the companies that people worry about most (and ironically give up the most data too). It also does nothing to stop the wild-west of mobile app tracking.
The ideal solution would be to offer up the device's Advertising ID to the browser, just like it is available to mobile apps. That would remove all the tracking pixels and workarounds and improve privacy as the user can easily reset their ID whenever they want to.
The ideal solution would be to offer up the device's Advertising ID to the browser, just like it is available to mobile apps. That would remove all the tracking pixels and workarounds and improve privacy as the user can easily reset their ID whenever they want to.