It is not the content (anyone in bitcoin knows and understand that) as much as the humble diplomacy with which Gavin explains to the establishment how this technology just makes sense.  And it it not fire and brimstone.  His best answers are the entirely truthful:  "I don't know" because as we all know the potential of this technology is limitless.

Worth a watch if only for an example of how to engage skeptics  - not with fierce opposition and argument but with subtle and engaging charm.