As is claimed in this paper , the authors of the paper you cited did not take into account the scale dependence and magnification correlation properly.
Thank you again for your reply. I spent an hour looking at the paper you provided and I can see that it would take me 5 years of study to work through it.
Despite my prejudice against Dark Matter (which was in the model) and CMB, this is an outstanding example of the mathematics of physics.
Thank you again for your patience and forebearance with me.
Regards.