At this point you could just make up any reality you want and it would be equally as valid if we’re going to take the creators’ input as simple apocrypha.
Was the timeline an artistic idea of the creator or a reaction by a brand to fulfill a customer service request?
An artistic idea of the creator. They have a simple relation to at least another. For example, it is not a retcon that "Zelda 2" is a sequel to "Zelda".