There was an interesting comment on Reddit pointing out some things often overlooked in these discussions [1]. People seem to forget that he leaked information on both illegal and legal foreign spying (which is what the NSA is supposed to be doing). The former is arguably whistleblowing, but the latter is not. Even Greenwald and Binney admit this. See the reddit comment for details and links to sources. Particularly…
It's also, technically, an act of war.