No worries, I wasn't offended! I just think it's insane that a group of people other than my own can even think to tell me what my ethnicity is. As an example

No worries, I wasn't offended! I just think it's insane that a group of people other than my own can even think to tell me what my ethnicity is. As an example, it would be utter hubris were I to say the same to Black Americans, so I'm not sure why it's randomly okay to do this to other groups.