Ezra shakes his head, but he's trying to think it through.

He isn't terribly worried about his own life, really, but what will happen if Master Kenobi doesn't believe him? Will the Jedi assume he's part of a Separatist plot and hand him over to someone? He imagines they'll assume he'd get sort of due process, but Ezra can't trust that. In Republic custody, beyond the Jedi, he's probably as good as in Palpatine's hands. And at the point, he's pretty sure dead is the kinder option.

And if Master Kenobi does believe him, then what? Is there any way to move against Palpatine that might not end up even worse?

"If I tell you - I'm sure you'll see immediately a lot of ways acting on that knowledge could be dangerous, but not all of them," Ezra tries to explain, rapid fire. "You can't just ask the clone troopers for help. I know they're good men. Captain Rex taught me about how to be an officer, but even him I can't trust here and now, because there's no guarantee they'll be able to fight their...their programming."

He hates using that word, but it was the one Rex had used.

Should he bring up Master Skywalker, specifically, as another potential source of betrayal? No, that can wait, he decides.