Was Fidel Castro of Cuba a crypto-Jew?

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One of my video viewers left this comment. I’ve never before heard the notion of him being a crypto-Jew. I know of no evidence for it. But here are his comments:

Castro a crypto Jew imported thousands of Blacks from Africa to Cuba to replace ( at the time ) the thousands of Whites that had left ( 59 to mid 70s ).He used Blacks to shore up his " revolution . Quite funny actually since he ( along with sadist Che Guevara ) hated Blacks . Blacks will never learn ,something to do with their " brain " housing group …lost cause .