If you’re looking at Aboriginal Law entirely in the context of western law, you may have missed the point of the article.

Oral interpretation is a major component to Aboriginal Law and using physical mediums to record these events/agreements isn’t new. As an example, We have the wampum belts from the peace and friendship era pre confederation. Those wampum belts, and the first constitution in America, came from societies which practiced a from or democracy which predates all those found currently in America today.  The “Great Law of Peace”, is a story all freedom loving beings should read. 

It’s a shame most have a superiority complex coupled with a stone aged view when it comes to FN’s cultures and societies (which stifles advancement). These cultures where far more advanced and knowledgeable then we could ever comprehend.