Rage Against The Machine guitarist sings praises of Irish rappers Kneecap –and Disturbed's David Draiman is unimpressed ...

"Guess my family doesn't count when it comes to my 'friend's' virtue signalling for those who support terror, and incite Jew hatred" ...

This latest bout sprung up when Kneecap posted a now infamous photo of Draiman signing an Israeli artillery shell before it ...