What is a short-summary of the essay, Carefree White Girls, Careful Brown Girls?

In the essay, Carefree White Girls, Careful Brown Girls, Barnes narrates a brief encounter with a white woman who taught her how to surf. In the short conversations they had, Barnes is emotionally triggered by the blasé way the white woman knows she has white privilege. By the end of the short essay, Barnes turns this into a wish for the woman to keep being free, and to live a carefree lifestyle for both of them.