"I am sorry that you feel such regret about the outcome." She hesitates to call it a real choice because it seems like he had just let events run their course. "Ultimately in my reality someone like you will make the final choice as well." That said, Aigis's friends were never one to leave a full decision in one person's hands. They'd come to a group conclusion to fight Nyx and had fought tooth and nail over the right to decide how to exit the Abyss of Time. "However, it will not be just up to him, my friends all had their own opinions." Even if exerting them meant nothing other than opinions for Kurusu to consider.