Theocratic Iran regime playing brinkmanship for their religious and national interests. Their take, our economy is hurt already, we will hurt ME, Asia, and world economy. That's how they want to make war expensive for USA internationally. Well, if Iranians kick my stomach, and I am Saudi, I am gonna hit them back, and rest of the world.
When Saddam attacked Iran, they refused every reconciliation till after destruction of 10 yrs.
Limited religious prism and pride of 5000 yrs old civilization, double whammy.