Luckily you exactly understood what I wrote and not it is not google translate lol. If you guessed flemish, you would be more on track. It is Afrikaans is actually. If you like history you will see how cool the history is of Afrikaans. You are the first dutch person (I have a quite a few Dutch friends, although I am South African) that has not thought I speak flemish or Afrikaans haha.
Regarding costumes they will have something similar but not totally dutch. Like I said the overall story of the game for release is britian vs germany so they will have things relating to dutch but not officially dutch stuff. For example, boot style the dutch had, but no direct indication that is boot style is dutch. Like taking inspiration without showing the brand. Think of it this way, if you were DICE, you want to make generic customizations that can be used on multiple maps and not just one map.
Luckily you exactly understood what I wrote and not it is not google translate lol. If you guessed flemish, you would be more on track. It is Afrikaans is actually. If you like history you will see how cool the history is of Afrikaans. You are the first dutch person (I have a quite a few Dutch friends, although I am South African) that has not thought I speak flemish or Afrikaans haha.