A restaurant has won praise online for putting up a simple sign asking customers to respect its young employees. The message read: “PLEASE RESPECT OUR EMPLOYEES! For many of them, this is their first job. They are teenagers. They are someone’s child. They could be your child. Please DO NOT BE RUDE!” The photo reportedly received huge attention online, with thousands of people agreeing that the reminder was needed.

Many commenters said they loved the sign but hated that something so basic had to be explained. One person wrote, “I love this sign. I hate that we need this sign.” Another pointed out that kindness shouldn’t depend on someone being young or inexperienced. Whether they are teenagers, parents, or longtime employees, people deserve to be treated with basic respect.

Anyone who has worked in a restaurant or customer service knows how stressful the job can be. A teenager might be learning the register, handling dozens of orders, and trying to keep up during a busy shift. Mistakes happen—even experienced workers make them. There is a big difference between calmly pointing out a problem and humiliating or shouting at the person who made it.

That’s why the sign struck such a chord. It wasn’t asking customers to accept terrible service or ignore mistakes. It was simply asking them to remember there is a human being on the other side of the counter. As one commenter put it, “people are people and deserve respect.” Maybe that’s the real lesson: you never know what someone is going through, so choosing kindness costs nothing.