There's your biggest misconception about how the media and world/people's attention works right there.
Why do you think no layperson knows what the heck cryptome is, although they have been leaking stuff for far longer than Wikileaks? Why do you think cryptome (probably) hasn't changed anything and hasn't made anyone aware of anything?
You need the most publicity you can get as a leaking platform, as much as it will kill you (by making a person synonymous to the mission and providing an attack window) at the same time. And actual mass publicity will not be generated by putting it out there via bittorrent, which the majority of journalists don't even know about.