First Filter
We don't have Tigh or Ellen or Tory or Tory, but that wouldn't make it impossible with enough time.
And I see what you're saying but it wouldn't change much That's probably why the thirteenth tribe abandoned it. But, it took us years to find Earth with FTL drives, and prophecies, and all that was left behind. Without all that, there doesn't seem like there would be a chance within human lifespans.