His friends and your friends and everybody is already being scanned and uploaded (we're all doing the uploading ourselves though).

It's called profiling and the NSA has been doing it for at least decades.

That is true if they illegally harvest private chats and emails.

Otherwise all they have is primitive swipe gestures of endless TikTok brain rot feeds.

At the very minimum they also have exact location, all their apps, their social circles, all they watch and read at the very minimum -- from adtech.