So what if they do?. It's the Iranian people's right to make a mistake to get some relief from an unbearable fascist theocracy. 'Muricahns voted for Trump. It's their right to change regimes from Neo-libral Dems to Neo liberal Repugs.
The CIA is responsible for keeping the IRGC in power in order to keep the Iranians under control. They'll always bet on the devil they know.