You created a theory from multiple theories. :| Each one of the was based on the interactions between Spiritual and Physical Energy which wasn't touched on very much in the Manga. Also, @2:27. You said Madara went blind. IDK if that is a mistake, but Madara removed his eyes. Anyway, your theory makes no sense, considering Itachi and Sasuke have shown some form of retaining their Susanoo when there light was gone from their eyes.
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