Unit cohesion is not argument he is making. I’m pretty sure this was his main point here:

Cultural issues don’t matter in a war zone. Political correctness does not matter in a war zone. Did we say, “Oh let’s not offend the Nazis!” during WWII? Absolutely not. The enemy we are fighting now is far more abhorrent than the Nazis ever were. The fact that the media and the general American public thinks that…