Have you played this game and seen how much you can customize it?
What's an anachronism in a sea of many others, if you wish to have them in your personal save games. And if you don't, you stick to whatever is historically accurate.
Not having the foresight to be aware of this matter and the issues that come with it(going as far to be be especially exclusive) as a game studio in 2020 is what they should think about the next time they set out to make a game like this.