Half the fun of writing science fiction can be coming up with novel concepts or 'rules', what happens when everything of consequence in the 'Jamverse' has been built out? Will they start a new one?
See: Minecraft, Sonic, MLP, SCP, even Bored Apes Yacht Club for 15 minutes
Which is me agreeing with you: this seems too hard to get; there's already 4 timelines and no faces to get attached to.
So why wouldn't I just write my own stories unrelated to this?
But this specific one does seem like a complex starting point.
Maybe go one level deeper? Or maybe branching the timeline in the past, like Marvel popularized?