It's not such a bad thing as everyone seems to make it out to be.
First and foremost comes the Faith - regardless the nationality, ethnicity, race, etc. Orthodoxy above ALL else.
Second, you have every right to be proud of your heritage. No heritage, ethnicity, race, etc...is any better than any other. However, you have the right to be proud of what you feel is your nationality. You have a right to stick to your customs, your language, your traditions... Just don't force them on anyone else.
Here, in the U.S. we are a melting pot of many cultures and nationalities. Therefore, here we do need to make an "American" Orthodox church available for the people who do not associate themselves with any other nationality.
...and yet, we should still be allowed to have our Russian, Bulgarian, Serbian, Greek, Ukrainian Orthodox churches in the States....people shouldn't be offended by them....nor should they claim that we chose nationality over Orthodoxy...for that is not correct.
I choose Orthodoxy above all. However, since I was raised in a Ukrainian family, I spoke to God in Ukrainian from childhood, and therefore, hearing the Liturgy in Ukrainian touches my soul way more than hearing it in English. It's not that I don't like it in English, I love the Liturgy no matter what language is used. However, I prefer Ukrainian...and others shouldn't be threatened by that.
Just last week I went to a Serbian church and I understand "very" little. However, I know the Liturgy and I was fine with it. So, I know how the English speakers feel in my Ukrainian church.
I've been to many OCA churches where services are completely in English, yet, I still prefer Ukrainian.
However, if a Ukrainian Orthodox church was not around...believe me I would pick ANY other language...as long as it was an Orthodox Church.
There's nothing wrong with being proud of your heritage and going to worship where you feel more comfortable.