is that this fellow offers a very tangible demonstration of the use of 4*z, and I am inclined to believe that few actually recognize the use of the concept in these demonstrations
depends on what one looks for. each finds what is sought. even though many may not understand what they'er truly seeking.
many view things from a different lens, often even its right before them they will tend to miss it.
IME a lot of the older masters are really not interested as to weather all can see or get it, if a few get it, its enough,.
I'm quite surprised by the amount of info on the web these days.