X was a black separatist. He asked why blacks keep depending on the grandchildren of the white slave owners to solve their problems. The white man caused problems in the black community. They couldn't be counted on to help blacks.
"After introducing herself, she confronted Malcolm and his associates with this question: “Don’t you believe there are any good white people?” He said to her: “People’s deeds I believe in, Miss, not their words.”
She then exclaimed: “What can I do?” Malcolm said: “Nothing.” A moment later she burst into tears, ran out to Lenox Avenue, and disappeared by taxi into the world."
Well one thing Malcolm X did get right was understanding that White Liberals were the worst enemies of black people.
It should be noted that this debate took place in 1963. At the time of his death Malcolm X was moderating many of his views which included denouncing racism of any kind. This moderation lead to his leaving the Nation of Islam and as a consequence his assassination allegedly on the orders of Louis Farrakhan.