Earlier quoted context omitted.
It's simpler than that. In the past, information was passed to trusted reporters because the media was trusted. A lot of what Wikileaks is reporting now is that the media is coordinating with the same people that these leaks are about in the first place. In other words, the media isn't trustworthy. So it's a choice, put it out whole, or take a real risk that it'll never see the light of day. You could argue that Wiki…
"the media" is a bunch of individuals, many of which are not as you describe. They could find trustworthy and thorough reporters to work with if they wanted to. They did before.
As much as I like The Intercept, for example, they do not have the same reach as the WSJ or the NYT.