That is an interesting letter, considering the opening speech Scott Bennett gave at the New Horizons conference. Whistleblower protection? An attempt to get more media attention on Scott Bennett, as part of Iran public rollout? Potentially a key player behind the scenes?
See: >>1490706 and >>1490719 (brd #1872) for a few screengrabs.
Here's Scott Bennett's speech, worth a listen (have archived offline):
https://hooktube.com/watch?v=EUCD6CoToiE&feature=youtu.be
Would love a transcript of that.