A. Iran invades Mexico, establishes a new government, occupies it for a decade.
B. Its leaders began publicly discussing attacking USA; some even chant "Bomb bomb bomb, bomb bomb the States."
C. It abandons a treaty with us, and the main Ayatollah who has....
D. Once again, Iran starts threatening us with war.
E. They accuse us of attacking a ship, the captain disputes their rendition of the facts.....
F. They escalate rhetoric, saying again and again that if they are ready to attack us.
G. They position an intelligence drone either very close to our border, or over it. We know these are used for assessing bombing sites.....
H. We shoot it down rather than waiting to find out if this power from across the ocean, that is flying drones right next to our country, is using this to gather intel for an attack.
And after all that, do you honestly believe IRAN would be in the right to freak out?....
THAT is the world view of us. We're seen as bellicose & willing to deliver on even irrational threats (see Iraq War.) So we're shocked - SHOCKED - when Iran believes our threats.