Because Elias Bouchard is a man who under no circumstances, wants to give off the impression that he's not calm, collected, and in control of the situation at all time. Showing any emotion more than 'mild irritation' isn't for him.

"This world shares quite a few similarities with mine. The supernatural occurrences, this organization itself...though I'll admit, ADI is much more proactive than the Magnus Institute ever was—most likely due to the larger number of staff."

Shrug! "It is easy to adapt to the mostly familiar."