Especially the campaigns, and especially how certain characters and moments are presented in the campaigns.
It's like right on the borderline of being a chuddy glorification of the military and being an absolute pisstake of things that chuddily glorify the military, and I genuinely can't work out which way it's trying to go with it.
CoD is straight up recruitment propaganda working hand in glove with the military. The military even hires Twitch streamers to pipeline players into enlisting. If there is a hint of satire, it's only as obfuscation of their real goals.