Earlier quoted context omitted.
Oh, agreed that it's quite unhelpful and Snowden revealing details about such activities is a pretty terrible idea. On the other hand, such revelations in general aren't all that new or rare - the most recent one probably being about US spying on UN diplomats just a couple of years ago. Beside light spattering of egg on some faces and a bit of ritualized indignant posturing, though, this sort of thing doesn't seem to…
First, I suspect that Snowden revealing these details is not that harmful. The fact is, I think everyone would expect that everyone keeps track of everyone's diplomats. That's just the way the world works. Additionally, hacking into network backbones in China? Is there anybody out there that was aware of the NSA's activities over the last few decades that doesn't immediately assume that they do? Or is this news to th…
They are, though, tremendously harmful to him and his purported cause - to the point that I have a very difficult time seeing this as some part of an intelligent, well-considered strategy. Should he ever end up in a US court, any hope of lenient treatment or something like an eventual presidential commutation or pardon is well out the window - you can't be both a principled defender of civil liberties and a low-grade spy. Worse is the damage to his credibility as a person acting out of conscience - he's handing his detractors a complete gimme and even giving his potential supporters serious pause. In the interview linked, William Binney straight up calls him a traitor and it's pretty tough to portray William Binney as some pliant NSA stooge.