"official" said? Which official in charge giving orders between realities competing to inherit the earth tomorrow?
You are one claiming humanity is more than ancestries adapting by ancestors living forward beyond their individual time adapting in plain sight since conception.
Series parallel existence is a mutually adapting to the moment situation of individuals evolving as displaced since genetically added so far. Say it isn't possible? and recite all your citations it is.
Be sure to identify each reality present in this atmosphere within this species having an estimated 8.3 billion inhabitants. Don't forget ancestors are one of 2 genders regardless which generation gap their ancestral lineage was and is today.