If anyone could fight themselves out of the drag of linear time, it would be Squall. He's done it before. Why can't he do it again?

"You may not want it, Squall, but you need it. And it isn't blind. I always knew what I was doing when I was asked," Nida assures him. "Spies are useless when they don't think."

That being said, obedience? That's what was trained into him. So had. And perhaps manipulated there too, from Elijah.