Coates’ basic proposition is:
There are a lot of living victims of much of that. Coates has talked about the living and discoverable victims of that in at least a few things he’s written on the topic. He’s outlined specific kinds of institutionalized racism that have many living victims and written about the living people affected and what their experiences were/are. You seem to be ignoring what he’s said to invent a problem so you can dismiss it all.