Goodballoon's paunch

Many of you will have seen Mr Scorsese's (I spit the title through gritted teeth) documentary on Bobfrey Zymmermankowitz. I was always under the impression that a documentary was just that; a document of a time, an article based upon the truth. Ha! Where oh where was the mention of Zymmermankowitz knocking at my door at three AM one December night asking for a packet of potato chips (the crisp was not to be invented for twenty years)? Are we to believe Hall and Oates had nothing to do with BZ's development? Not a word about Jenny Agutter! Honestly! I shall be returning my copy of Scarface, Mister Coppola.