The repeated theme I see from liberals is that Chris Kyle watches 9/11 happen, then goes to Iraq.
Liberals hate the idea of connecting 9/11 to Iraq.
Liberals hate the idea that the war in Iraq, or a warrior in Iraq, is put up on the big screen without repeating the WMD issue and Bush and Cheney, etc.
Liberals hate that they could not use a similar movie to further their propaganda against Bush and the Iraq war.
But, I assure you that liberal Hollywood is right now looking to duplicate this movie with all the political messages contained therein. Mark my words, there will be a movie about a soldier or group, but the overall message will be the same, tired anti-war lies they spewed before Obama took office.
Now that a WMD can be a kitchen pressure-cooker (Tsarnaev brothers), the WMD argument has fallen flat.