As a matter of facts there are frequent massive gatherings in the streets of Iran's, against the U.S. and the U.S military has been bombing those protests. It doesn't make the news of course, as it would be admitting the exact opposite of a regime change is taking place in Iran.

The current US administration would up the choppers-ante, and warthog the anti-current no king [trump] protesters. The Iranians would probably provide tea, biscuits and free medical.