“Citizenship is less notable” , “less interesting” for whom? Is this your POV contribution for this discussion? That the Canadian citizenship is more notable than the Portuguese citizenship? Where are your references to say so? The argument is silly ? I also agree, it is also mentioned throughout the article that she lives in Canada, this way there is no need to say she is Canadian in the opening and it is already said she was born in Canada.
She is Portuguese-Canadian, either you like it or not, your partial information does not give a a worldwide view. In Portugal and Portuguese speaking world she is known as Portuguese