MEMRI's translations can certainly be ridiculously inaccurate or even deceptive sometimes, but it's hard to ignore that many clips. I don't really know how representative these clips are. MEMRI certainly presents quite a lot of interesting material, like this outrageous clip in which various Lebanese officials/politicians supposedly blabber about the "supposed tragedy" of Anne Frank and say that the persons responsible for putting an excerpt from her diary in some textbooks should be prosecuted:
Or this video from an Egyptian cleric who supposedly does not deny the Holocaust but rather celebrates it, joyfully going over the pictures of dead bodies:
