It's much more suitable and prevents less humiliations when iniquities occur with organizations or particular communities, that the criticism be handled internally up the proper routes of authority. What these fellows did was not through the expected channels if there were serious breaches of conduct. They immediately went public for their own egotistical purposes, not thinking about security consequences and the damage they've committed to their countries.
Firebomb thrown during demonstration in northern Israeli town of Umm al Fahm (Haaretz)
from the article: Snowden, Assange, Manning, Vanunu - the true heroes of our time