They CAN get out of Iran, and quite a few HAVE left. They made aliyah to the US. BTW-- A HUGE number left and made aliyah-- to West Los Angeles. Our then-Consul from Israel tried to talk them into making aliyah. Nope! The biggest proble them have in WLA is the traffic. that's all.
Obama to meet with Jordan's King Abdullah in White House later this month (Reuters)
from the article: Netanyahu, your Iran dream is over