Earlier quoted context omitted.
Still, it identifies you so it can be used to track you over visits to many different stores-over-ssh, just like third party cookies.
Lol, the subset of people buying coffee via ssh and shopping elsewhere via ssh is going to be insanely small, they can probably already more or less track you. Additionally, you're probably giving a shipping address and using a card number of some sort. Its extremely difficult to shop anonymously online for physical goods.
Yeah, nerds. In the FAQ there is the question "What is SSH", and the answer is - "If you have to ask then it's not for you".
Edit: Seems the FAQ may have been updated or this simply wasn't part of the online version, https://imgur.com/a/igjGCFM here is a section of the FAQ sent to my email.