Was There More Said But Unheard in the Dylan Documentary Segment With John Lennon?

In my November 19th. post, I described a segment in Bob Dylan's documentary, Eat The Document where John Lennon makes a very pointed comment on English upper-class exploitation of musicians (and of The Beatles in particular, I believe.)  On the Youtube video at www.youtube.com/watch?v=695_AAQUmLk , the poster of the video says that the Lennon/Dylan segment "came in at just over 21 minutes."  If it is assumed that the film crew filmed the entire limousine ride than about 23 minutes have never been seen by the public because the total travel time between John's Weybridge home the Mayfair Hotel would take 44 minutes according to mapquest.com. 
John's attempt to subtly clue people in to what was happening with The Beatles may be lost forever.