The US is bombing cities.

US-backed Israeli forces are already destroying Lebanon: https://www.msn.com/en-us/news/world/mapping-the-destruction...

> Legal experts, analysts and local officials warn that the ultimate objective is the “emptying of residential geography”, carving out a depopulated “buffer zone” at the forward edge of the border that permanently prevents displaced residents from returning and establishes a violently enforced demographic reality on the ground.

That's called "ethnic cleansing" when carried out by other countries. Iran will not agree to peace while this is going on. Partly because that's Iranian proxy forces in there among all the civilians getting killed.

I think you underestimate the impact of a blockade on Iran's ports... Iran (and China) can maintain this posture for ballpark a month or so more before economic mayhem leads to another popular uprising. Time is in the US's hands up until the midterms and even then until January