Musings of a former chicken

First the part which is indisputable about IRR, the Islamist Rapist Republic:

1-It is a theocracy with fascist demeanor which according to many including its late co-founder, Montazeri, “is neither Islamic, nor republic”.

2-Iran and Iranians are owned lock, stock and barrel by its lifetime unelected absolute leader who has lately been openly putting himself on par with the prophet of Islam.

3-All the elements of state from armed forces to the ersatz parliament are subservient to him.

4-For all intents and purposes he is a modern-day pharaoh on steroids.

My questions:

What chance is there for any meaningful change without his removal?

And, shouldn’t figuring out how to overthrow