A miscalculatuon. From the many news sources I listen to on YouTube there are a variety of opinions.
Right now, Trump probably realizes that the cost/benefit analysis is greatly skewed against maintaining the blockade and certainly not engaging in combat without a legitimate reason. It costs money to maintain the blockade and the cost of oil impacts everything.
Who knows, maybe Iran will see the light. The M.E is one messed up area of the world, Israel being one of the very few nations even worth visiting. This isn't due to the history or beauty of the region but due to the governments and systems in place.
It is akin to China. I would love to visit and experience the history there, but do I want to risk being imprisoned for a false claim that I am a spy or something? I deal with enough of an unaccountable system in Canada no need to travel to experience it in an even more pure form. I digress.
Trump and his administration have made similar calculations, "what benefit does America receive by continuing this war"?
Ultimately, as long as the do not get a nuke, it will be a success.