This is only about police killings. If you deny that middle-class POC are much less likely to be killed than poor people of any color, please provide a source.

The Oprah story has been misreported: https://medium.com/a-universalist-in-an-identitarian-age/no-oprah-wasnt-a-victim-of-racism-in-switzerland-a0f116db962e

And no, not everyone can “tame” their accent. You have to have a good ear for accents. Economic class can change quickly if you’re very lucky or unlucky at a casino or on Wall Street. Social class is much harder. The rich are brought up to recognize their own kind.