No, they are still different. Even both of them are archer civ, the bonus can still be different.
Ethiopian can play the archers, siege and infantry UU but I guess Nubian will go the extreme archers with archer UU like Bri.
It doesn’t mean that Netherlanders were not exist in the Middle Age. They had provided a lot of money for the dynasties that ruled them through the ages. In the other hand, They started the independence war before than Japanese invaded Koreans in late 16th century.
Come on, it just a hope, don’t be such a serious guy.