it seems to me like they have got ways to fingerprint you in such a way that every action you take that touches their systems has a nontrivial probability of matching to you
they are gathering all the info, your ip addresses, your text, your habits of speech, your frequently used things, your interests, your social network
it's fucking psycho how much they are stalking us all
I think he was identified from posting photos with details.
it's almost impossible to avoid it now... i mean, you practically are gonna need to create identities that always parse your inputs through an AI that is specialised in avoiding correlation at this point
what satoshi did in 2009 in extremely hard for anyone to do now, most of us have a very detailed online fingerprint that can be used to generate recognisers that catch even some of the most trivial things
it's beyond human capability to really filter this stuff if you ask me, unless you are einstein level genius psychopath hacker (which doesn't exist i think because to be that clever you usually can't also be psycho, hacking is a very creative business)