I'm certainly not defending high-priced cables here, but I would have to know more about the testing conditions (Speakers/Amps/Distance, etc.) and people involved before believing that article (not saying it isn't true). These A-B comparisons show up regularly in blogs and are usually posted by some Monster hater who never provides anymore details.
Having said that, most of the cables I own (don't own or sell monster cable) and use are from low priced online providers and I've never had a problem with any cable. I've also tested (subjective listening only) some VERY expensive cables ($12,000 for a pair of 3 meter cables) against some of my $25 speaker cable of the same length and personally could not hear a difference.
So "perhaps" there is merit to your coat hanger request.
Jim