I think the article should kick any serious scholar that may not yet have heard that story into a higher gear about the Khazerians. We all need our "ears to the ground" about them. "What's become of them? we would do well to ask.
It's just amazing what their malevolent ways have wrought over the centuries. Indeed, they're still with us in a big way!
Bibliography
Is it coincidence that the Khazerian [financial] Empire was being built at about the same time Mad-Mo Mo-ham-head was delusionally creating Islam?
Confluence of timelines looks dasting.