They have been in control since Saddam was defeated. That was the whole issue with overthrowing Saddam. He was ruthless but he was a counter to the ruthless Shiites who align with Iran.
Middle East is a hot mess. The best solution is to keep them at parity and let them fight each other.
Our next move needs to be build up other nations to counter Iran/Iraq Shiites. And let them fight. And do more covert actions against Iran where we actually kill/destroy key leaders and infrastructure. Get the people of Iran to overthrow their leaders. It’s really the only good way out.
or make it a glass parking lot. But that has some drawback too. Lots of innocent people lost and the US would have fallout from that for generations.
Just move troops back into to Kuwait and watch the Iraqi Iranian fireworks.
These politicians have just signed their death warrant.