And how does non-participation in any way fix the system?

You absolutely can participate in the broken system to prevent the greater evil AND at the same time do your utmost to change and fix it, in order to create better choices.

Not participating means you can try your utmost to change the system, in order to create better choices. But in the meantime you throw vulnerable people under the bus of the greater evil for your protest. Congratulations.

Not like the theocracy isn't the fault of the US too.

Iran democratically elected Mohammad Mosaddegh who wanted to nationalize Iran's own oil. In response the CIA and MI6 instigated a coup, installing Shah Reza Pahlavi, who then so much terrorized his own people that they had to rally behind religious extremist Ruhollah Khomeini to get rid of the Shah...

but "you're" is two words

Wordle 1.501 3/6

⬛⬛🟨⬛🟨
🟨⬛⬛⬛🟨
🟩🟩🟩🟩🟩