Basically, take it to its logical conclusion

Privacy is dead. Once they have ubiquitous cameras everywhere, and connect the databases, the AI can correlate everything you do, and infer who is meeting whom and for what etc.

Similarly online. You are going to get deanonymized unless you go to great lengths to change everything about what you do, including not doing anything in real time.

More info: https://magarshak.com/blog/?p=169?p=169

JK Rowling: https://www.smithsonianmag.com/science-nature/how-did-comput...

And the mac daddy: https://news.bitcoin.com/a-look-at-stylometry-can-we-uncover...