Are we talking about intimidating Iran, or annexing Texas?
This tactic simply won't work. For one thing, we occasionally might skirmish now and then with the Iranians. It barely makes the news, much less as an act of war. Second, we don't have a credible force to project into Iran, due to our drained national will, so they have no reason to fear an invasion. Especially on the flimsy grounds your proposing.
Are we talking about intimidating Iran, or annexing Texas?
I'm talking about destruction of a hostile culture.