A community of 15.000 or so is not that large. For a healthy community it would be better if some outsiders joined the club in order to avoid inbreeding. At some point they will marry their own family members, not good for future generations ! Anyone volunteering to move to Iran??
Shaffir to Herzog: Opposition failed to show leadership in political battles against PM (Haaretz)
from the article: Iranian TV film on local Jews reveals little about their plight