How is that a nice one?
Well, the point of it was "wouldn't it be nice if things worked this way". They were discussing the meaning of someone else's words. So Woody Allen goes off screen and grabs the guy in question to have him answer the issue directly. There's been a lot of discussion about what Terry Dobson "really" meant in his writing. It would be nice (very nice on a number of levels) if he were still with us to actually address it rather than a continued discussion that most likely will never be resolved.
Having Terry pop in and say "Yeah, Ellis is right." or "Yeah, Ken is right." or "You're both missing it -- this is what I meant." would be great.
But it ain't gonna happen, unfortunately.