I'm sorry, but I have to say that you have hearing or comprehension impairment. There is not even one sentence where secretary Kerry blames Sunni Muslims in general and all you have listed in particular like Barzani, Erdogan or Saudi Arabia. He explicitly and repeatedly blames for genocidal atrocities only Daesh, the so called Islamic State, period. If you don't agree with my assessment post exact minute and seconds of his speech when he blames the ones that you listed.
There're survivors of the GENOCIDE and all survivors say the same thing that they were betrayed and killed by Sunni Muslim Islamist army of Barzani, his son and all his clan. The Peshmerga militia helped Sunni Arabs and Sunni Turk(men)s to kill the Ezdi Kurds.
Ezdi Kurds were killed by Sunni Muslim Arabs, Sunni Muslim Turks and Sunni Muslim KURDS!
Barzani made a deal with Erdogan for oil and to become an Emir of Barzanistan. Barzani wanted to pluder Krudish oil and sell it to Turkey and steal Kurdish money. Barzani the Islamsist doesn't care about Kurdish race. He cares only about his Islam religion and money. Erdogan wanted to become a Sultan/Khalifah of ISIS land.
Barzani sold out the REAL Kurds. His Sunni Muslim Islamist 10000 (ten thousand) strong Peshemera militia pulled from Shengal without firing a bullet and took the weapons from the innocent Ezdi Kurd population and gave it to those who killed the Ezdi.
The survivors of the GENOCIDE all tell the same thing!
Only just in 1 day they killed 10000 Ezdi Kurds.
But then came PKK and rescued the Ezdi from a total annihilation.
PKK are the true saviors of Ezdi Kurds. Without PKK there would be no Ezdi Kurds in Shengal anymore.
Ezdi Kurds will get their own region called, Ezdixan (Ezdikhan). Ezdi Kurds have their own army now. They are protecting themselves now against the Sunni Muslims.
After the GENOCIDE we the Ezdi Kurds don't want Sunni Muslim Arabs and Turks near us. Ezdixan will be Islam FREE!
The future of Ezdi Kurds and their homeland Ezdixan will be in the hands of the Ezdi Kurds. We will be the masters of our own life, culture, language and our own ancestral homeland.
When there will be a Great Kurdistan, then Ezdixan will be part of greater Kurdistan.
Ezdi Kurds will still have their own federation within Great Kurdistan as protection of own religion.
So to make it short: there will be Great Kurdistan, Ezdixan (ancestral homeland of Ezdi Kurds) will be part of it, but it will have a special status with Great Kurdistan. Ezdixan will be a federal region within Great Kurdistan, with own army, with own cultural and religious holidays.
BTW. Today there is a religious holiday of Ezdi Kurds. Soon holidays like today will be official recognised holiday in Ezdixan, an Ezdi state!