Re-watching some of the Marvel movies and the number 17 is repeated quite a bit in the Avengers.....
Does make one think that DS/Kazahrians aren't the only ones capable of using predictive programing and getting their message across..
And from what I have seen in rather a lot of movies and TV-series the good....guys.. tend to be so good at it that they can put their own message in the middle of a DS/kazahrian message with them being none the wiser....
Enjoy the show!