Depends. Iran has (allegedly) committed what could be constituted as acts of war already. With the US in a heightened state of engagement in direct conflict with China and possibly regional actors, the Gulf of Oman seems like a great place to touch off a regional conflict.
...their population isn’t a big fan of their governance.
Why would you believe this? The last time they didn't like their government, they replaced it with the current government. Even the Ayatollah was pissed off that they mistakenly shot down a plane full of Iranians; they weren't about to curb the relatively limited public demonstrations that agreed with him on that topic.
Oh, let me guess... you learned of the average Iranian's great political discontent from the USA war media. "Wishful thinking disguised as reporting" leads to wishful thinking in place of analysis.