Politically they are smart. They don't answer to provocations and handling the JCPOA deal mess pretty well. https://www.tasnimnews.com/en/news/2022/08/09/2754973/final-deal-in-jcpoa-talks-must-guarantee-removal-of-sanctions-on-iran-fm
USA don't want the deal to pass of course, because it will allow Iran to trade with anyone.