You never know how much of that content is really leaked or maybe even leaked from the emailautor himself for whatever reason.
Fact is, whatever news about Hillary comes up, it will be welcomed advertising for her. Even bad news is better then no news in most situations.

Really interesting would be, if she would have wrote down her real opinion about people and such things.
I'm pretty sure they learned from Bills misstakes and care a lot for anything that "could" go into wrong hands and might as well just use it for their own goals.

Nowadays the conversations between politicians or other persons that are in public focus is just pretty much "bla bla" and basically just what everyone would want to hear.