I see a lot of conjecture and theory and not a lot of evidence. AI models? Maybe for ad behavior but not for this. Google has you and your machine ID'ed and fin

I see a lot of conjecture and theory and not a lot of evidence. AI models? Maybe for ad behavior but not for this. Google has you and your machine ID'ed and fingerprinted. That's the core of the authentication. The rest is subterfuge and obfuscation. Is there any evidence that I'm wrong?