Never realized that connection, but now that you mention it, I see how it fits in the left's perverse mindset. They're both consistent with no international borders.
I don’t have the links anymore but back when Jan Brewer signed that law that stirred illegals up a few years ago I found a lot of palestinian speakers at University of Tucson and University of Arizona etc.
From the 18th of this year.
Shake Off the Occupation! From the Borderlands to Palestine
They are both consistent with the destruction of Western Civilization.