alt Hacker Newsnormal people don't have the same expectations as you when it comes to how much a given service should know about them, is the thing
"how did X know whose profile you saw on Y service"
"the computer knows everything i do on the computer, what do you mean"
This isn’t backed by the constant conspiracy theories about voice assistants listening to everything you say and then farming that off to third party ad providers so that you see ads for things you’ve been discussing.