Zidane is willing to--not exactly let bygones be bygones, but he is willing to cut Kuja some slack for the time being.

"That sorta sounds good. So you'll be spying on the villain types and trying to get them to cooperate with everybody else?" Put like that, it does make sense and doesn't sound as bad.

"I'll see what's up with people. Somebody must be working on a way to get out of here."