So what did Arabs do before the boycott would go into effect? Why, they went on a spending spree of Jewish goods!
From the Palestine Post, December 12, 1945:

Buy EoZ's books!
PROTOCOLS: EXPOSING MODERN ANTISEMITISM
If you want real peace, don't insist on a divided Jerusalem, @USAmbIsrael
The Apartheid charge, the Abraham Accords and the "right side of history"
With Palestinians, there is no need to exaggerate: they really support murdering random Jews
Great news for Yom HaShoah! There are no antisemites!