believe me Persian nationalism is dominant it reminds me of the times after military coup in Turkey. People can't get education in Azerbaijan language or even can't teach them to their children and they sometimes can't even name their children in Turkish language.
It is Persian dominated fascism and nothin else. I think yous hould watch the first video I posted maybe you will have some basic information about it if you don't have the time to watch the full documentry.
My perspective was something different, what i wanted to say that after the evolution of late Ayatollah Khomeini's Vilayet faghih model of Governance the ethnic differences got little blurred under the disguise of Shiaism but things are propping up again but i still think sectarian discrimination is more than ethnic discrimination in today's Iran