I look forward to the fall of the regime and am happy to hear of the end of the tyrannical Islamists recently
There might be a transition, but it won't be one with which you (or anyone else) will be happy.
The French had a revolution and it created decade of state sponsored terror, Napoleon, and decades of all out war in Europe.
The brutal Czar was overthrown and it led to 75 years of Communist oppression
Wiemar Germany collapsed and created Hitler
China overthrew there Imperial oppressors and it led to the largest single slaughter of human life in history
They Khmer Rouge liberated The Cambodian people and introduced "The Killing Fields
Iran replaced a Western-friendly dictator and replaced him with a worse, Islamic dictator in 1979.
The Soviet Union collapsed and the Oligarchs took power and collapsed their economy.
There are many historical examples of people rising up to throw off their shackles only to have them replaced by a heavier set of shackles.
Given the history of the region ... I don't expect a utopian society will replace the ayatollahs anytime soon.