I didn't say that. It's the presumption that they are immigrants based on the fact that they are Asian that is somewhat rude. I think it is the wording of the

I didn't say that. It's the presumption that they are immigrants based on the fact that they are Asian that is somewhat rude. I think it is the wording of the question that is likely to bother people. It makes the questioner sound as if he is not aware there are native Canadians who are Asian. And that is a likely reason for why they responded in the manner they did.