Mag, are you serious? You honestly think there is no way that he is bitter about being locked up and will cause a rampage in ID upon being unlocked? It would very well fit in to the general motif of this arc. As far as his chances to live go, why not take the X-Drake route? Don't state things as if they are fact when we know NOTHING about shiryuu other than he liked to massacre prisoners and was consequently imprisoned. I think it's very safe to say he carries SOME resentment.
Well, no I don't think he would do that and pretend that he didn't. If he double crosses ID, he probably has no intentions of capturing anyone. The image in my mind is him wanting to squash ID like a bug and leave. He's already a criminal. I'm not saying that Shiryuu is definitely going to double cross ID, Ivotas' explanation is logical as well. But it's definitely possible, and for you to sit here and tell me what Shiryuu is thinking like it's fact is rediculous.
I never said he wouldn't be mad. If he is mad then it would be against Magellan who was unable to keep ID secure while he (shiryuu) is locked up. All i'm saying is that imo the chances of him wanting ID (the only difference between magellan and him is that magellan doesn't kil prisoners for fun thus shiryuu probably cares as much for ID as magellan) to be destroyed are lower than him wanting to end this massive break out.
Now you are free to think what you want. It's not that everything is a fact but to me it's more likely that shiryuu wants to help the ID guards right now. (plus we have never seen him being mad when he was imprisoned by magellan… Ok that doesn't mean much but it shouldn't be forgotten)
Wouldn't it be too easy if shiryuu decides to help out the jail breakers? He is the one (with magellan) who will block them. That's imo the next wall the jail breakers will encounter. Remember that Croc jimbei luffy Ivan Inazuma Mr.1, Mr.2 newkamas is already a super strong group that magellan can't deal with alone...