Zionists and Holocaust imageries about Syria

For decades, Zionists protested fiercely when Palestinians and their supporters (not me) resorted to Holocaust imageries to refer to Palestinian suffering and to Israeli brutality.  Zionists argued that such analogies are demeaning to the victims of the Holocaust.  Yet, during the last few years of the Syrian war, no one has used Holocaust imageries more than the same Zionists and their supporters.  Here is but one recent example.   I am confident that if such analogies were made about Palestinian suffering and Israeli brutality in such manner, the writers would have been immediately fired and called anti-Semitic.  I have no doubt.