That is incorrect.
Zero basis to say that Shias are any more progressive than Sunnis (or anyone else for that matter)
No Sunni leader or community has accepted Baghdadi as Khaleefa. In fact, they have rejected him .
Isis is 'an offence to Islam', says international coalition of major Islamic scholars - Middle East - World - The Independent
Letter to Baghdadi - Open Letter to BaghdadiOpen Letter to Baghdadi
Muslim Scholars Release Open Letter To Islamic State Meticulously Blasting Its Ideology
False.
Islamic State militants again massacre fellow Sunnis in Iraq - LA Times
Again, not our Khalifa.
Bull.
These are Shias:
View attachment 164660
They beat themselves on the day of Ashura, ostensibly to mourn the deaths in Karbala. Sunnis have nothing of the sort.
There is absolutely no basis to say that Sunnis are 'poor and rough' or anything compared to Shias. If anything, it's the exact opposite.
The sectarian violence is what happens when people divide themselves into groups, just like what happens with football hooligans and the sort. Only difference is that for sectarian violence, they consider their 'cause' to be a lot more serious.
All of that is forbidden in Islam. Both sides are guilty and will be answerable to God (According to Islam).