he isn't talking about discrimination against Arabs or Africans. He knows that will only lose him votes among the followers of the Shas Party. He is talking about the non-existent "discrimination" against Sephardic and Asian-African Jews. Keeping the flame of "ethnic discrimination" against Mizrahi Jews is what keeps his party alive.
Police disperse hundreds in brawl in Kafr Manda, northern Israel (Haaretz)
from the article: New Shas leader to focus party's campaign on ethnic discrimination