In terms of gameplay mechanics, old school zoom aiming achieves the same thing as ADS. Is getting to press your nose against virtual firearms really that important in a game about shooting werevolves and vampires?
I blame this on the proliferation of Call of Duty over traditional scifi and fantasy shooter franchises. You can fucking ADS on an assault rifle in Halo now 
ADS struggle session fuck yeah
I've got 3,000 hours in arma. While you wear tearing the kingdom i was studying the accurate ballistic modelling of some made up gun "designed with input from cmmg". The very serious gun company that iirc produce tactical canned bacon at one point.
We used to call it a hiking simulator.