For my part I disagree only insofar as "canon" as a concept is always going to be limited to a specific key-holder's choice of continuity.

Outside of that, there's no "canon" for Greek myths, and i find that to be a purer example of human storytelling than the cluster of retardation that Ip law represents.

Broadly it's only purpose is to set your expectations of continuity. Which, is easy. And does not require government enforcement against anybody who tries to play pretend too effectively.