I found this incredibly amusing, and forgot to post it when I got back from Rome.
On trains with no food car, a guy comes through with a cart. He sells sandwiches and snacks, but most people just want an espresso. He takes a plastic cup, fills it with hot water, and adds instant Nespresso Espresso. This by itself is not unusual.
The odd part is, after you pay him the 1 Euro for your drink, he gives you a receipt that would be appropriate for a new car.
I present the irrefutable evidence: