Your point is that he sounds like an asshole? Because you badgered him for an explanation to a joke you obviously understood and he didn’t give it to you nice enough?

Preemptively deciding you won’t agree doesn’t make him right. He preemptively decided you wouldn’t be happy with his answer … and he was correct.

By the way, I thought it was funny. I sent it to my wife and she thought it was funny and sent it to her mom. (No one asked for an explanation).