Well they could change their surnames (as a family) if they really wanted to do that.
I see it more as expressing a wish that their children take their place in western society. Most do, some don't.
I know personally ABC (American Born Chinese) children with the names Maggie (Margaret), Luke, Leo, Oliver, Mira, Peggy, Irene, Maddie (Madeline), Hannah, Chris, Katherine, and Michael.