Memes

His position essentially boils down to race being the primary contradiction, not class.

This can be true or false, but it entirely depends on the specific society you are talking about. For example, in China today, I do not think racism is the "primary contradiction," although it certainly does exist. The decisions that the Communist Party has to make in regards to going along with global capitalism or pushing to expand socialism internally and externally are the primary contradiction in China now.

South Africa during Apartheid? Yes, racism had to be addressed first and foremost. But even there, class was so aligned with race that the most popular and successful figure, Nelson Mandela, was a socialist who believed that capitalism and wealth inequality were also harmful to society.