Estinien would much rather she speak to him as an adult, which is the true source of frustration. There have been plenty of times he's followed orders without demanding the details - but that came from leadership he'd been given reason to trust. Also, importantly, they had actually given him orders in the first place.

"Through the proxy of his 'recruits' he can... and to an extent we are yet unaware of. If your answer is to simply do nothing until circumstance causes you to react, you are welcome to make that your answer. Though, if that is the case, I would question why you have taken up summoning under the guise of such dire need."