They don't gloss over it....it's just not part of that particular storyline.
Then why did the killing of civilians and unarmed soldiers have to be part of the Russian storyline?
That's my point, I'm okay with focusing on a Wehrmacht campaign that doesn't mention the many war crimes that the Wehrmacht committed, as long as the Russian campaign is treated the same way. Instead, in the very first mission of the Russian campaign, we see conscripts gun down a surrendering unarmed German soldier.
I understand situations like that happened, I'm not naive to that, but to not picture the Wehrmacht in similar situations portrays that the Germans were somehow better or more noble.
I know that they were not, and that atrocities occurred on both sides, that doesn't come across at all in these campaigns. To say that Relic would never "downplay the horrors of the Nazi regime" is disingenuous. They're clearly ok with showing Russians do terrible things, so why were they not ok with showing the Wehrmacht?
I feel as if that may be misinterpreted, so imagine this:
I make a game based on WWII similar to CoH. In it there is an American campaign and a German campaign. The American campaign takes place in the Pacific Theater, and the depiction of American soldiers killing surrendering Japanese, as well it being implied that American soldiers had raped Japanese women. It is shown that the commanders are displeased with this, but cannot stop it. The German campaign on the other hand, neither shows nor mentions any war crimes the Wehrmacht committed. Conversely, the German campaign is rather neutral, and instead focuses on the German soldiers and their bravery in battle.
While this campaign would in fact be historically correct, as there were German units that did not commit war crimes, and there were American units that did, the vast difference in the portrayals would be offense to most Americans, and people would overall be angry at the game. The game wouldn't be avoiding the horrors of the Wehrmacht, because it had just followed a unit that did not commit them, nor would the game be lying about the Americans, but by the contrast of the portrayals it would paint the U.S. as a bunch of monsters and the Germans as just some normal guys trying to survive in a war.