"I will need to gather more data before I make my decision. However, if it turns out that falling for his trap is the best course of action, I may still be able to surprise him." Thrawn began to pace, his hand going to his chin in thought. "He knows that I do not sacrifice my crew and troops and would never send them to their demise by having them go into a trap in my stead. Therefor, he will expect me to go into his trap. What he will not expect is you."

He wanted to keep Altair's presence a secret from Nuso Esva for as long as possible. But if the best course of action was to send Altair into action, then they could plan for it.