Compliments before criticism!

Yehudah told Yosef at the outset; “Let me say something to you, and don’t get angry with me, because you are like Paroh”. Question; what does Yosef’s being like Paroh have to do with the situation? (See m’forshim) We suggested that before you tell someone off, you have to compliment him. Then the person becomes inclined to listen to you. Here Yehudah was about to tell Yosef off. He first paid him a compliment. Was it pertinent? Not necessarily, but it did the job!