"You're right. And right now? I'm thinkin' that Caedus would have done more good with these people than you ever will." It was a sour call for someone that he had once claimed to be his role model, but Xander was too far gone to care. He was aiming to hurt. That was the sole intention behind the remark delivered and he didn't care if Jacen decided to break into his cage and force lightning him on the spot. It'd leave the very slim possibility of him escaping before Jacen could get his fun lightning going.
...yeah, even Xander knew that one seemed a bit delusional.
"They're not going to do anything right. How about that? They're going to prepare, they're going to underestimate everyone, and they're going to die. Is that what you want?"