It feels better to make cartoon villains out of people who are wrong than to entertain any differences between the worst thing you can think of and someone who doesn't happen to share your views (however obviously correct they may seem).
I've sadly had arguments with baristas over this, even when I specify "espresso macchiato" over "latte macchiato". Anyway hai colto nel segno, I bet this is what the problem was.
There was only one!?