While I find Dotcom to be a epitome of a shill, I doubt Greenwald or Snowden would back this particular claim if they truly believed it was false. Both Snowden and Greenwald have choosen to honour the truth above their own safety and security. Both of them are also acutely aware of the fact that standing shoulder-to-shoulder with Dotcom reflects poorly on their own integrity. Maybe the USG leaked this email as a 'fal…
Can I just ask you, what's the claim? I cannot watch the video at this time (I'm at work)...