Funny that you say that because words like "shit" were already very well in use in the middle ages (although taboo) and the word "crap" has its roots in Middle English ¯\_(ツ)_/¯
Complaining about "anachronistic" language is stupid most of the time because the complaint is based on some very skewed view of a) language and b) the way people in certain periods actually talked.
Most RPG speak has nothing to do with any kind historical use of language, see Ultima et al with its use of thys, thees, thines etc. And holy shit, I'm glad about this because it would be decidedly unfun for me as a german-speaker to play any middle-ages-inspired RPG because holy fuck have you ever read any Walter von der Vogelweide or any other Middle High German poet?
Have fun with stuff such as this:
Nideriu minne heizet diu sô swachet,
daz der lîp nâch kranker liebe ringet.
diu minne tuot unlobelîche wê.
hôhiu minne heizet diu daz machet,
daz der muot nâch hôher wirde űf swinget.
diu winket mir nű, daz ich mit ir gê.
mich wundert wes diu mâze beitet:
kumet diu herzeliebe, ich bin iedoch verleitet.
mîn ougen hânt ein wîp ersehen,
swie minneclîche ir rede sî,
mir mac wol schade von ir geschehen.
I mean sure go ahead! I'm sure people will LOVE this historically correct usage of language! Or let's go even further back to the Hildebrandslied in Old High German! Even more fun!
Ik gihorta dat seggen,
dat sih urhettun ænon muotin,
Hiltibrant enti Hadubrant untar heriun tuem.
sunufatarungo iro saro rihtun.
garutun se iro gudhamun, gurtun sih iro suert ana,
helidos, ubar hringa, do sie to dero hiltiu ritun.
Yes, I'm exaggeragting but my point is this: if you have complaints about language in a game, it's probably on you. It's your understanding of how language works and not language itself. If you'd analyze any dialogue in modern games, you'd realize that so much of our languages is so randomly cobbled together (even moreso in English) that basically every word in every dialogue could be questioned in regards to its historical usage, its origin in other languages. Many, many words that you'd never suspect would end up on a blacklist.
Because modern language is modern language. Language is not just grammar and words. And to add to that, it's also in a constant flow of development on every level which is quite logical as language has no "correct" way or essence from which it can "deviate". The view that language is entropically destroyed away from some sort of pure form is ludicrous. That's why linguistics is descriptive and not prescriptive.