Reading admitedly quickly, it appears to actually say that there shouldn't be more than 2 trillion total humans, and we're, at 117Bn, so yeah, there's a lot lef

Reading admitedly quickly, it appears to actually say that there shouldn't be more than 2 trillion total humans, and we're, at 117Bn, so yeah, there's a lot left if we make it all the way to the upper bound.