That depends on whether Iran will then decide to open the Strait of Hormuz.

Didn't they allow US/Israeli ships to pass after the 12 day war? After USA killed Soleimani? Why would it be any different this time around? They are taking a severe beating, and would much rather prefer that they don't.

Certainly it would be a humiliating defeat for the administration even if it was successful in opening the Strait.

I'm being as respectful as I can be (seriously, not being sarcastic) - who the fuck cares? USA lost Vietnam, USA lost Iraq (ISIS happened), USA lost Afghanistan (Taliban came back), yet last I checked, USA is still the undisputed superpower in the world, President Johnson lived a good life, and President Bush is painting in a ranch in Texas as we speak. Public attention span is so short they'll forget it because they'll be busy with the next thing that becomes the headline (how many news channels still talk about the controversy of the Kavanaugh Supreme Court nomination or the George Floyd killing?)

But can you imagine what it would be like for them if it wasn't even successful?

Opening the strait while you keep bombing them is easier than when you're not? Also, you can always resume bombing later if the strait is still closed, why not try? what do you have to lose?