What about this summer? The way DHS and local police specifically targeted journalists? That's way more harmful to "liberal democracy" than some foreign sock puppet dumping evidence of high-level corruption.
At least with information in the open, people can attempt to grok the full picture for themselves.
Wikileaks can't guarantee that.
How many of them were killed/disappeared? If you can't cite a number in the hundreds (or even one case), your comparison is false.