Flawless writing.
They dont expect anyone to remember anyway, the memory and attention span of the average american is only a few seconds. I mean, look what major news networks get away with every day.
Combine this with yet another mind-numbing shooter in a market virtually drenched in them already...
The writing is actually pretty solid, especially for a video game. The dude is slowly developing out of externalizing his terrible decisions at the cost of...fuck it. Anything I could go on about would be mentally countered with "lol videogames" by anybody who is so against what they see in this out of context.
It's a solidly fun game that turns the gungho jingoistic paradigm squarely on its head while doing a good job of pointing out how irrational and horrible war and people are. If you're playing the yearly installations of ShinyVision AdrenalineShooter, you at least owe this a look.
The incongruity is intentional and the player is supposed to feel like shit after playing. At least that is what the wikipedia plot summary is telling me.
So, yeah, this is pretty much an anti-war game war game.