Allen has responded today to both the joke and Farrow's essay.
Joke: "I am completely in favor of comedians making any jokes they want," and that he is "a non-judgmental or [non]-censorship person" and that it would "take a lot to offend me."
Essay: says he didn't read it as he doesn't read anything about him, not even interviews he does. And that he said everything he had to say about that whole issue in The New York Times. Then compares it to a bad review: "I made the decision I think five years ago never to read a review of my movie. Never read an interview. Never read anything, because you can easily become obsessed with yourself. [It’s] a bad idea to consume yourself with this stuff. You should do your work, not call up and find out how the grosses are, how is the film doing, how are the reviews. Forget about all that. Just work."