Piercing Persian Politics

Life for Iranians can hardly get more complicated. A long time ago the God of the Jewish people assigned a Persian king to be his servant tasked with returning the Jewish people to the province of Judea. Today we hear today’s Persians clamouring for the smdesyruction of the Jewish state.
What history are they reading? What future is there for a nation seeking the annihilation of a oercieved enemy?