Plenty of anti-semitic organizations have had clueless Jews as top members, if only to use it as an excuse that they were not anti-Semitic. There are plenty of self-hating (anti-Semitic) Jews out there. Boycott of Israeli products *is* anti-Semitic.
Thousands gather in Kuala Lumpur for rally urging Malaysian leader to quit (AP)
from the article: Boycott = anti-Semitism? Some Israelis avoid settlement products too