Far from giving up a lot of the basic principles of Black nationalism - the idea that Black people have a destiny that cannot be accommodated by White America as it currently stands, that Black people should separate from White America, a firm belief in Black men as the salvation of the Black race - all of these things accompany Thomas on his migration to the right. It's not as if he gives up those principles. He certainly gives up left principles, but those are quite different and can't just be subsumed under the heading 'Black nationalism.'