Employees working minimum wage jobs are remarkably gifted at identifying customer Karens from a mile away; their posture, the way they present themselves, and the superior tone in their voice as they begin a sentence with an entitled demand. These customers don't go on hiatus, they do not take breaks in their dedicated work to ruin people's day. In this case, a Karen entered a petrol station, eyed the other customers in line, decided her request ranked worthiest, and passed them all, strutting…