Originally posted by Nephthys
It literally says he just uses it to create the stunts. The tier system is merely used to manage the stunt coordination and Lucas has never officiated it. It has no official place in any kind of canon. That quote you posted changes nothing about Gillards lack of authority to dictate canon.
Nick Gillard could use it to wipe his ass - its's irrelevant. All that matters is George Lucas made it and made it to establish who wins in fights.
Anything Lucas makes, including "unpublished notes," is considered canonical. In this case, the tier systems are outright published.
This has nothing to do with Nick Gillard whatsoever. It's all about George.
I'll get back to your other point when I have access to my computer.
If you want to debate G-Canon isn't a thing, then we can discuss that, but this is a different conversation.