They are simply part of the broader far left alliance with radical islam.
Unholy Alliance: Radical Islam and the American Left
by David Horowitz
Black Lives Matter’s hypocritical anti-Semitism proves that they are way too involved with the Palestinians and radical Islam. I have lost any bit of compassion I ever had for these people. You lay down with dogs, you get up with fleas.
They are simply part of the broader far left alliance with radical islam.