How did Fyodor expect Atsushi to react?

We know he wasn't pleased when Atsushi was begging him to bring back his allies. Let's be serious for a second. Fyodor is a genius and he was expecting Atsushi to react differently after he had killed his allies and had the audacity to hit Atsushi?! So Fyodor who's not just a genius but is good at mind games too couldn't understand Atsushi's emotional reaction. Even I who's not a genius at all can understand Atsushi's reaction. So, how Fyodor was expecting him to react?