If you're going to be this confidently incorrect about something and then be rude when the person who knows what they're talking about tries to correct your mistake—you deserve whatever is coming to you. In this case, what's coming to you is a horrifically inconsumable sugary drink of the likes your tastebuds have never encountered before. When working in customer service, you end up dealing with these people quite often. Over time, instead of bending over backward to correct their mistakes (ge…