Sure is, as if the counter guy was working his butt off if not on the phone.
Been in retail for to many years to buy that logic, last 20 years with my own successful business. Retired now.
Next someone will tell me they charge for coming up to me and saying, "May I Help You".
Well they technically are as they have to pay the employee to assist you, no different than if he was dedicating his time to do a background check.