Creating a kata: Part 2

As I said in Creating a kata: Part 1 , you create a kata in order to: 1. package and preserve "fragments" of knowledge; or 2. fill a void; or 3. improve existing forms. In terms of the latter 2, this is not an exercise to be entered into lightly. That you are "filling a void" or "improving" something is a big assumption. Nonetheless one can see some obvious examples, eg. with beginner kata; finding newer ways of teaching beginners how to acquire basic coordination and skill quickly is the role of any coach/teacher. Now here is an interesting example of (I assume) a created kata: Daishizen Koken-ha Goju-ryu Tode kata Mizute - click on the image to view the video. I assume it is "created" recently because in my research I am not aware of any kata corresponding to this name or to this movement. If it is recently created, then I think it actually looks quite good. The real issue for me would be whether it would have any "value adding" ben...