Reading your article, I’m not totally clear what you refer to by this. You can correct me if I’m wrong, but I believe it refers to the tendency of some anti-racists to overextend their power to affect change. In one of your other articles you discussed the claim of exercise being a vehicle of white supremacy, which I think is a good example of that. Among other instances, there’s also one in which a museum curator in San Francisco was pressured to resign because of claims by petitioners that he was supporting white supremacy (https://reason.com/2020/07/14/gary-garrels-san-francisco-museum-modern-art-racism/?fbclid=IwAR329Go5x_qIPzhSfWXBTNFIP4dMJ4TzwTGLYfwfIN8yp8oW7P-1r5mCxaM).