I'm pretty sure the fastest gunman, who has thousands of hours of practice, can do crazier things than me with a mouse and keyboard. Realistic shooters tend to increase the distance of engagement and mess up sight alignment when firing, making it difficult to kill people. Then they throw in things like suppression, and lots of breathing and sway to make it more difficult. Sure you can still 360 no-scope people, but at least they put in measures to make it as difficult as possible.
These games are sell on marketing and hype. People buy it because there aren't other games to play, or it's a game parents buy for their kids for the holidays, or it comes bundled with a special edition console. Then they feel burned or get bored quickly, and the player base dwindles, and repeat every year.
I was going to say COD:WW2 shouldn't even bother trying if they don't have the guts, but then I remembered that COD always has that edgy scene in every game recently, COD:WW2 too. I don't know what kind of commentary they are trying to make, if any, but that's laudable, I guess. I don't think just show bad things happening requires much writing skill, but if you wanted to make a commentary about it then maybe. If you think about it, making a game that is all suffering isn't all that difficult, and it's impressive when in reality it barely has any discussion value, other than historical context. It's meaningful, not really because it's deep and thought provoking, but rather emotional and keeps you up at night.