Coffee vending machines? That’s what’s inside the box, it’s nothing new really… There are very high quality ones too. It’s not a particularly skilled job for a human to do, besides the customer service aspect of course, perhaps I am ignorant in that regard.
Indeed, coming from Spain, I don’t really see the lady as a barista, she is the classic bartender that listens to you and knows everybody. Except the bar is open throughout the day, is family friendly, sells all kinds besides alcohol (breakfast, coffee, tobacco, lunch, dinner, newspapers, lottery tickets, snacks and sweets…), and generally acts as the social nexus of the neighborhood. These old school small bars are everywhere in southern EU. Within that context it is less surprising that she would stay working there as long as she physically could.