I thought I'd read as many Pulitzer Prize winners as I could...this one was the first I had deep misgivings about.
The narrative style is totally unique and requires you to either pull apart your preconceived notions on war and trauma or get dragged down a really dark hole really quickly.
The narrator depersonalizes all the characters in such a way that you're either forced to align with the protagonist or give up having any empathy at all.