On the other, we don't just have Snowden and Manning circumventing systems for noble purposes, we also have people getting Stuxnet onto isolated networks, and other people leaking that virus off that supposedly isolated network, and Hillary Clinton famously had her own inappropriate email server.
(Not on topic, but from the other side of the Atlantic, how on earth did the US go from "her emails/lock her up" being a rallying cry to electing the guy who stacked piles of classified documents in his bathroom?)
The same way football (any kind) fans boo every call against their team and cheer every call that goes in their teams' favor. American politics has been almost completely turned into a sport.
The private email server in question was set up for the purpose of circumventing records retention/access laws (the example, whoever handles answering FOIA requests won't be able to scan it). It wasn't primarily about keeping things after she should have lost access to them, it was about hiding those things from review.
The classified docs in the other example were mixed in with other documents in the same boxes (which says something about how well organized the office being packed up was); not actually in the bathroom from that leaked photo that got attached to all the news articles; and taken while the guy who ended up with them had the power to declassify things.