We should bear in mind that Assange is not Wikileaks. Just because he's been arrested does not mean that WikiLeaks will stop publishing documents that sources send to them. WikiLeaks have grown in people and networking despite having made enemies on both sides of the political spectrum. And I'd argue that if Assange is punished unfairly, there'll be a lot of people on the inside willing to turn over the tyrants.
The corrupt organizations are for the most part, ran by ordinary people and I refuse to believe that they're all in on the conspiracy to hold on to power and punish those who cross their path as much as those at the top are. I still have hope on the goodness of the human consciousness.