[koba]

Why shuld the ADL care about immigration one way or the other? They want to comabt racial extremism in the U.S., yet why are they pro-immigration? What does combatting domestic extremism have to do with immigration policy?

[luvzhottea]

If you research the history of U.S. Immigration law and the groups lobbying Congress to effect the changes which culminated in the 1965 Act and used the term, back in the 1940s and onward, "Diversity is Our Strength" and the rest of the PC jive you will see the ADL is merely continuing a tradition.
This is also about the ADL:Adversaries Go Inside ADL's Spying Operation

[Arleigh]

Why shuld the ADL care about immigration one way or the other?

Historically, Jews have done best in multi-ethnic societies with lots of friction between groups. When the society is homogenous and united, it tends to focus on the Jew as "outsider."