I think it's good. I think they stand to remind everybody that in every system checks and balances should be maintained and if the system can't do it, it's good that citizens hold to it.
Wikileaks is the part of journalism that corporate-run news rarely ventures into.
I fail to see any way Wikileaks could be considered "bad for the people." It might be "bad" for secretive figures such as politicians and corporations, but I can't imagine how these leaks could have a negative effect on the general public.