I think people with less elaborate systems are constantly looking for inexpensive ways to improve their systems and fall pray to marketing hype.
It is the old science vs religion conundrum. So, keep up the good fight. It is a lot of fun watching them squiggle around the facts. They can not get their heads around the fact that some of us do not have to hear an item personally to know it does not work. Guys, it is just knowledge and experience. It is very easy to take advantage of those that have neither.Well said, @mijostyn