Interestingly, according to that article, he hasn't been charged with treason, 'just' espionage, theft and conversion of government property. Someone more qualified than I can elaborate, but treason is a much harder crime to prove than espionage (like murder vs. manslaughter). Edit: According to the video link provided by spdy, the crime needs to exist in both systems (ie Hong Kong and the US) in order for an extradi…
Can you imagine a jury of 12 all believing that what he did was not in the interests of his country?
And so with a jury stacked against him (some may say against the original spirit of your legal system) he ended up with years in jail. Mean while in the course of trying to redo the auction they of course found that it was illegal and didn't do it.
So he felt he'd saved the land and it was worth a few years of his life.
Snowden faces worse and again probably a fairly stacked jury if it were to ever come to that. Tho they could also just indefinitely detain him nakedly in a micro cell in solitary etc etc etc.