Well that wouldn't be their own state, and it wouldn't be much better either.
Most of those were huge empires held together by strong centralized power. In Afghanistan, that would be a very bold statement to make.
Well, the Hazaras still appear to like the US:
Afghans Show Mixed Feelings About US More Than a Year After Withdrawal
New Gallup poll finds perception of US leadership has improved among some Afghans over a year after the departure of US troops
www.voanews.com
But they won't be as oppressed and brutalized in Iran or in the US as they would back at home in Afghanistan:
Hazaras in Afghanistan are at risk of more mass killings | Al Bawaba
Contributed by George Kerr
www.albawaba.com
Why the Hazara Genocide Matters? - The Geopolitics
Following the hasty withdrawal of the US and NATO troops from Afghanistan and the Taliban’s return to power in mid-August 2021, the ongoing genocidal violence against the vulnerable Hazaras has heightened, and so has the fear of other mass atrocities.
thegeopolitics.com
At Least Nine Reportedly Killed In Taliban Attack On Village In Ethnic Hazara Province
At least nine people, including three children, were killed after Taliban forces attacked a village in the provincial capital of Afghanistan’s Daikundi Province two days ago, a tribal elder told the Germany news agency dpa on November 27.
gandhara.rferl.org
The Taliban Are Wrecking Ashura Too
Afghanistan’s extremist rulers are cracking down on minorities, especially Shiites, as hard as they have on women.
foreignpolicy.com
The Hazaras could be viewed as being the Jews of Afghanistan in regards to their persecution:
Opinion | A religious minority faces a second genocide in Afghanistan. Jews must act now
The Hazaras have faced violent persecution for centuries for their appearance, language, and Shiite Muslim faith.
forward.com
I suppose that they could be resettled in Mongolia since they're of Mongoloid descent but the whole Islam factor (even if Shi'a) could create some problems.
What about Iraq? It was rather centralized under Saddam Hussein and yet still managed to survive his ouster.