4) Several responses supported the "there is no point to aftermarket cords" theory. Whether true or not, that was not the point of my original question.That may not be the point of your question, however, it doesn’t change the fact that it’s the truth.
There is no scientific evidence whatsoever, that backs up the claims of cable manufacturers, least of all the sort of claims we see from the likes of Synergistic Research.
For those who like the flat-earther analogy, you might as well ask why globe manufacturers don’t make them flat (well, there are one or two knuckleheads making them). And to answer as to why we should care, it’s because the perpetuation of pseudoscience in this country is leading to a state of regression.