I believe that accessment to be flawed in a major way. The assumption that they seem to be making is that the Jihadists are normal people. If they were, the socioeconomic concerns might drive this activity. It is hatred that drives it. It is not a wish to get better circumstances for oneself, rather to lower the rest of the world to your level. I believe this flaw taints the entire estimate.
Funny how rush isn't anywhere NEAR this at the moment.
He will later, though...........
Misery loves company.