Hacking people and steal their data is pretty much illegal, especially if done on non-US (or other in case of other spyers) soil.
There is no difference between some drug cartel mercenary and CIA agent from both legal and moral perspective of any other country citizen, and humanity and human rights are much more important than business of any particular country.
At least mercenaries do that for some real value, and not some vague abstract and undefined bullshit like "national interests".
Whistleblowers of any spy agencies as well organised crime organisations are heroes, if their whistles help to defend humanity from each of those criminals.
There is no difference between some drug cartel mercenary and CIA agent from both legal and moral perspective of any other country citizen, and humanity and human rights are much more important than business of any particular country.
At least mercenaries do that for some real value, and not some vague abstract and undefined bullshit like "national interests".
Whistleblowers of any spy agencies as well organised crime organisations are heroes, if their whistles help to defend humanity from each of those criminals.