mole333 says: "I don't even have a clue what you mean ... Jewish Supremacism? What does that even mean?
Here's an answer: Think of White supremacism or Black supremacism or whatever supremacism and ask yourself what would it look like if Jewish people practiced supremacism? Maybe it would manifest itself sort of like this or this or this or this or this or this or this or this or this. Get the picture?
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