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@Kaitlyn
The existence of humans as a part of a progressive universe may or may not be necessary.
Though as far as we are able to know, we are the only intelligent species that can manipulate matter in a way that surpasses non-interventional development.
This may or may not be necessary, but we must assume the alternatives even if we don't personally run with one of them.
I believe neither alternative, but just accept that one is correct and the other isn't.