By the standard you propose, “never having existed” is also inadequate unless you invent a method of timeless, all-Everett-branch means of never having existed. Whatever kids an antinatalist can stop from existing in this branch may still exist in other branches.
By the standard you propose, “never having existed” is also inadequate unless you invent a method of timeless, all-Everett-branch means of never having existed. Whatever kids an antinatalist can stop from existing in this branch may still exist in other branches.