Why is not stating her nationality such sn important issue for Laetitia's mother?

Laetitia's mother likely feels strongly about not disclosing their nationality to avoid potential bias, discrimination, or prejudice. She may want her daughter to be judged solely on her skills, qualities, and character rather than stereotypes associated with their nationality. Additionally, withholding this information could provide Laetitia with the opportunity to define her own identity and not be limited by societal expectations or assumptions.