In short, they had been defamed by an organization allegedly dedicated to stopping defamation.
Anti-American organization won’t tolerate any opinions but its own
In relation to gun control, the ADL promotes “access to mental health treatment for those who need it.” On the surface many would agree with this sentiment. But, if heavy-handed ADL power-mongers were given any clout, the “mentally ill” would include constitutionalists, patriots, tea party members and supporters of limited foreign policy intervention on Israel’s behalf.
“Jews have been heavily involved with the NAACP since its inception in 1909. They have also been the major source of its funding.”