Its like going into a bar and you start beating people up and so the bar owner kicks everyone out and then you say "It's not my fault the bar closed, it's the bar owner's fault, I merely started the fight that caused the bar to close!"

Iran was always going to blockade the strait of Hormuz if attacked, as would any other country in their position. What do you expect, to tell them to play by some imaginary set of rules while the US is setting the rulebook itself on fire?

It's almost as dumb as expecting Ukraine to allow russian oil to transit their territory.