Don't be silly. Why should the people in power punish themselves just because they happened to get caught? They always externalize blame, no matter how irrational.
Look what happened with Snowden: it's the leaker who is the problem, not the leaked material. How many people have been fired over that incident? And how many people have been assigned to hunt him down? I bet you the latter number is higher.
The DNC has no such issues though. The leaker was identified and according to various internet sources later found murdered[1]. Guess if anyone is currently investigating that...
[1] http://www.zerohedge.com/news/2016-08-10/wikileaks-assange-h...