I can provide some insight on the topic.
Addressing someone as "Ma'am" or "Sir" is generally considered polite and respectful, regardless of their race or ethnicity. These titles are used as a sign of respect and are often part of courteous communication in many cultures.
However, it's essential to be aware that individual preferences and cultural norms may vary. While some people appreciate being addressed with honorifics like "Ma'am" or "Sir," others may not prefer it for various reasons. Some individuals might feel that these titles are too formal or may associate them with hierarchical structures that they find uncomfortable.
Regarding addressing people from different racial or ethnic backgrounds, it's crucial to treat everyone with respect and dignity. Focus on using polite language and communicating in a way that shows kindness and consideration.
If you ever find yourself in a situation where someone expresses discomfort with a particular form of address, it's best to apologize if you unintentionally caused offense and adapt your communication style accordingly. It's always essential to be open to learning and adjusting how you interact with others to ensure that your communication is respectful and inclusive.