And she says--you mean her hair doesn’t grow like that? So is it me or is that the perfect metaphor for race in America right there?
Her white friend doesn't realize that Michelle Obama's hair is not naturally like that. This lack of realization shows that white people don't realize and are ignorant of what some people have to do to make their hair look "normal".
https://graziadaily.co.uk/celebrity/news/michelle-obama-natural-hair/