Earlier quoted context omitted.
What would you propose they do? Not leak documents based upon who the source is? If the documents are authentic, why does it matter who the source was? If A leaks documents on B revealing corruption about B, just because A's motives may not be pure, doesn't make B any less corrupt.
What would you propose they do? Not leak documents based upon who the source is? Actually as far as I remember, this has always been part of their method of operation from the beginning, and they explicitly state this: https://twitter.com/wikileaks/status/784873305463459841 . They are more than just someone who releases whatever is given to them- they attempt to vet the information and publicise it as well. Which are…
Vetting the information does not necessarily mean vetting the source.