Certain products use algorithms that predict you're going to stop using it before you're even aware. This can trigger things to sent you emails, etc with some perk.
You can fight this you know. There are a lot of great YouTube video tutorials by MentalOutlaw that will help you tighten down your security settings and make it more difficult to identify and track you across the internet.
Does this come at a high cost of convenience? Absolutely. Most of my security settings break websites by default since I restrict all 3rd party apps and JavaScript. It takes me a good couple minutes to play around and see what is causing the issue.
If I can’t figure out how read your site without handing over a bunch of access, I move to the 2nd or 3rd site that usually gives me what I want without changing any settings at all.