All these companies operate from within USA jurisdiction, that should send the world clear message.
Snowden in one of interviews talks about exactly this kind of tracking with Amazon example (ts 01:18:00) https://x.com/JohnStossel/status/1885382675810181612
Basically, all these companies, ad networks, data brokers, big tech with absence of basic privacy laws (not to be confused with 4th amendment that binds Fed and State gov only, but does not restraint companies) act with wilful conspiracy with US government regulators, washing each other hand like a monopoly. This data gets enriched and collided and is perpetually on a permanent record.
https://en.wikipedia.org/wiki/Permanent_Record_(autobiograph...
So next time you talk about totalitarian regimes around the world look in the window.