The measure of how widespread Holocaust denial is in Iran--i.e. not at all--can be seen in the fact that Iranian TV recently had a multi-part docudrama--loosely based on fact, I understand--as to how an Iranian diplomat managed to save quite a few Jews in World War II. The series was a huge hit.

There is a sizable number of Jews in Iran today.

What the regime is trying to do is to draw a contrast between the plight of the Jews in WW II with the behavior of the Israeli government now--which they believe is aggressive.