Tracker blocking uses flawed heuristics. The only methods that are typically used are static lists which is just badness enumeration. There is nothing stopping the app/service from sending the data down a different domain that isn’t blocked or a domain that can’t be blocked without breaking the service.
Adding to that, how do we even decide what is a “tracker”? What is the definition? Some might say it includes all telemetry or crashlytics. Are those inherently malicious?
I don’t think it would make sense for GrapheneOS to include something flawed like a “tracker blocker” that lulls people into a false sense of security. They use robust and meaningful methods for improving the privacy and security of the OS.
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