This isn’t available on the Khan Academy site yet; just YouTube so far. But it responds to my original critique—that nowhere does Khan Academy help students to compare decimals with different numbers of places.
I initially observed that the my feedback was incorporated in an awfully literal fashion. Frank Noschese came to Mr. Khan’s defense:
@Trianglemancsd C’mon, man. Obviously he’s taken your pretty straight forward feedback and very clearly used it in his video. He’s trying.
— Frank Noschese (@fnoschese) August 14, 2013
Maybe Mr. Khan and I can have an extended conversation in New York in September? (Although I am suspicious that he may be telecommuting to that thing!)
Overthinking my teaching 
I will need at least one single solitary shred of genuine evidence that he is trying to create quality materials, as opposed to trying to make a good appearance. So far 100% of his actions have been consistent with somebody who feels a need to respond to criticism *if* it generates a whole lot of publicity, not if the criticism is valid. Otherwise he’d fix where he says 2 + 2 is 2, and make a basic “average” lesson that had some pedagogical quality, and… and…