There is no rational explanation for Muslim racism against Jews. It is deeply seated. It has been my professional experience as an attorney in the U.S. that there are many Muslims that after perceiving that I am Jewish, won't shake my hand. That has nothing whatsoever to do with anything to do with "Zionism" or the state of Israel.
Taliban attack police HQ in Kunduz (AP)
from the article: Author David Grossman: Settlers abuse Palestinians