I don't see why this is that big of a deal. It's basically saying that there's a bunch of nothing in between collections of items we define as "universes". It's

I don't see why this is that big of a deal. It's basically saying that there's a bunch of nothing in between collections of items we define as "universes". It's not saying that there are alternate timelines in our own universe or something. It's just one of those concepts people like to make seem more controversial than they are.