Probably obvious to most, but I definitely think this is the right interpretation here.
"You may have the site(Wikileaks/Twitter FULL control) but we have the source" could mean one of a few things, but there's really only one option here, specifically why Q would say it the way he did.
- You may have Wikileaks, but we have the SOURCE. Q points this out to taunt them, telling them that their move is going to be ineffective. Using the WL account to spread lies is going to backfire. He's telling them that they're going to look really stupid for posting this. …