I swear to God, if I see the "artificial difficulty" argument again, I'm gonna lose it.
No, there is no game where the difficulty is natural, it is all artificial.
You are just upset modern zombies is giving you a harder time than classic zombies EVER did and that bothers you so you a scapegoat.
These bosses aren't unbeatable, it's good you can beat them first try.
There is no line between fair but hard, there just isn't lol.
patient 13 and the guardian are not good examples of this so stop using them.
Do want zombies to be hard or do we want easy because you can't have both