genjix's box was hacked? Who told you that?
So, the simplest explanation is the one you gave and not that genjix himself leaked the source code?

Given his history, I think incompetence is more likely than malice, definitely in genjix's case.
That patrick would walk away right now looks suspicious, if he were a smart thief he would come back and finish the claims so everyone gets their 66% (like myBitcoin). So in a counter-intuitive way, I think that he "walked away" in anger/frustration is actually a sign that it wasn't an inside job. Its very plausible and at least equally likely that there was another thief IMO (see below)...
I agree with you on this one. If it was an inside job, and I'm not saying it is(I mean the thefts, not the source code leak), it was from someone else and not Patrick or Amir. They would have to be completely nuts to screw up on something that would tarnish their reputation in this manner.