Besides, it is the responsibility of good people in Iran to get rid of this guy before he gets them all killed.
Certainly there should be no more important ambition to an Iranian than survival, and at the moment, that's in question!
Not a threat by to initiate nukes, but rather warning Israel that someday it won't have the option of using nukes to repel a conventional invasion.
Because Iran and the Muslim world will absorb a first strike and still incinerate Israel.