The "Kosher tax" is a canard

Antisemitic canard

An antisemitic canard is a false story inciting antisemitism. Despite being thoroughly disproved, antisemitic canards are often part of broader theories of Jewish conspiracies. According to Kenneth S. Stern,Historically, Jews have not fared well around conspiracy theories. Such ideas fuel...

 or urban legend

Urban legend

An urban legend, urban myth, urban tale, or contemporary legend, is a form of modern folklore consisting of stories that may or may not have been believed by their tellers to be true...

 spread by antisemitic, white supremacist and other extremist organizations. They state that unwilling food companies and unwitting consumers are forced to pay money to Jewish

Judaism

Judaism ) is the "religion, philosophy, and way of life" of the Jewish people...

 organizations to support Zionist causes

Zionism

Zionism is a Jewish political movement that, in its broadest sense, has supported the self-determination of the Jewish people in a sovereign Jewish national homeland. Since the establishment of the State of Israel, the Zionist movement continues primarily to advocate on behalf of the Jewish state...

 and Israel

Israel

The State of Israel is a parliamentary republic located in the Middle East, along the eastern shore of the Mediterranean Sea...

.

Food companies actually seek kosher certification to increase market share and profitability. Consumers who prefer kosher foods include not only Jews

Jews

The Jews , also known as the Jewish people, are a nation and ethnoreligious group originating in the Israelites or Hebrews of the Ancient Near East. The Jewish ethnicity, nationality, and religion are strongly interrelated, as Judaism is the traditional faith of the Jewish nation...

, but Muslim

Muslim

A Muslim, also spelled Moslem, is an adherent of Islam, a monotheistic, Abrahamic religion based on the Quran, which Muslims consider the verbatim word of God as revealed to prophet Muhammad. "Muslim" is the Arabic term for "submitter" .Muslims believe that God is one and incomparable...

s, Seventh-day Adventists, and others.