Maybe they're finally getting tired of Abby Dinnerjacket's antics?
The mullahs might be scared of his messianic stuff.
Or maybe they're tired of hearing from *somewhere* that if Dinnerjacket launches, Iran will get a whole lotta launch in return?
The Mullahs don't wanna die, they're rich and powerful. They only want their dumb, brainwashed young subjects to die for "Allah".