Maybe Iran fights because the are Islamist
According to the Islamists you can either kill the disbelievers and get great rewards in paradise or die to the disbelievers and go straight to the 7th heaven.
So long as they are in conflict they are winning.
Yes, Iran rejected American media and American music, which were deliberately designed to subvert their society and culture.
Now, 40 years later, Iran is one of the only countries in the world able to stand on its own two feet against Washington.