Greetings,
Many inquisitors and conquistadors were yehuborim themselves. So long as the higher-up yehuborim held power, persecuting less powerful yehuborim was not a problem. The same happened under the Stalinist Soviet Union. Many say Stalin was "anti-semitic", but he was the first leader who recognised Israel.
Christian anti-judaism only reinforces the jewish spiritual stranglehold over the Gentiles.