The real fault lies with the Europeans for [bleep] up the Middle East and Africa with their colonizing, especially what they did to the Mideast post World War 1. Today's happenings were inevitable. They shredded the world throughout the entire 20th century, finished off Imperial Russia so that Communism took over and are still fighting.
While that holds some water, it ignores that what you describe has been the norm with humans for all of recorded history. When do think it's time to relax the blame game? Should we still take the Mongols to task for the destruction they sowed? The Hittites? The Romans?
