B. S. Many foreign or immigrant owned businesses in America prefer native English speakers in customer facing roles.
Then maybe your life experience is different from mine. I used to work in a network of first gen immigrant business owners, literally every one has a strong preference on employee from the same cultural background. If they need a good English speaker, they hire someone from their background that can speak English well. It's not hard to find a non-white immigrant that speaks multiple languages fluently in a multicultural city.
Most customer facing roles don't need "native" English speaking skills, just "professionally functional" English skills. A Chinese or Japanese employee that move to NA when they are 12-18 can speak English professionally just fine, and they still have some cultural understanding of co-workers/customers from the same background. Seems like an easy choice for people with a background preference.