I think the important bit is getting lost in the shuffle over particulars: This research and the conclusion it presents are not original to three Western men from a first-world university. They've been discussed and explored at length by the academies of the post-colonial states who are dealing with the aftereffects of their own colonial experiences. This is a Eurocentric/Western-centric move on the part of, frankly, a bunch of privileged and insulated people.