Originally Posted by carpents 
What we are really trying to do is 'soften' the light around those sharp-edged aperture blades.
If that's true, they should attach another set of blades at an N degree offset to the regular blades. This would give you a better approximation of a circle which it seems is what they really want for better bokeh? I.e., the more blades/sides to the simulated circle, the better the bokeh?