Daily Coronavirus Check-in: Can you tell off another person’s child?

A total stranger offered to tell my son off the other day because I'd spent 15 minutes trying to get him in the car. I agreed, then felt equal parts grateful and awkward! Even though we know it's well-intentioned, it does feel uncomfortable when someone else tells off your child (and vice versa). So is it generally okay?   See omnystudio.com/listener for privacy information.