That's quite nice of you, though I don't think it is as rare as you suspect. My son works retail as a supervisor and his report is that, while complaints are t

That's quite nice of you, though I don't think it is as rare as you suspect. My son works retail as a supervisor and his report is that, while complaints are the main reason customers escalate to him, he does reasonably frequently also get customers who want to compliment an employee.