Whether or not this is true, it's somewhat irrelevant, as the observable universe is finite, meaning there's a finite amount of "stuff" that can causally influence us. What happens far beyond the observable universe is not worth dwelling on, as we will never see it or be otherwise influenced by it.
Whether or not this is true, it's somewhat irrelevant, as the observable universe is finite, meaning there's a finite amount of "stuff" that can causally influence us. What happens far beyond the observable universe is not worth dwelling on, as we will never see it or be otherwise influenced by it.