There's no doubt what's happening in Iran is a massacre by a dictatorial regime, but good grief the parallels between the rhetoric now and that of 2003 are impossible to ignore. I thought we had moved past the idea that the US could just bomb a country into a better future.
I don't recall that being any part of the rationale for the US war in Iraq (which, to be clear, will hopefully go down as the least just war the US ever instigated). "We'll be greeted as liberators" was trotted out as a mitigation for how bad occupations normally are, but we were going whether or not that was true. The Iraq war was not a war of liberation against an unjust government. It was a war of choice against a country that happened to have a horrendously unjust government.
The pretext for the Iraq war was that they were involved in 9/11 and possessed weapons of mass destruction.