They are what you said they are, TOOLS, just like skill-saws, disc cutters, etc, and as you know, people buy them and havent a clue how to use them. Although I dont subscribe, I do find their website informative, however, its all in the eye of the beholder and interpretation. I see The Bengals are listed as the No1 CB shut-down tandem, which has obviously come about because teams constantly ran on them, only going to the long pass when behind and desperate.