Originally Posted by
PsionicHero
One could assume that Moira's ability isn't merely a simple "Snap Back". If the timeline crumbles and vanishes upon her death, than she's technically a reality warper whose powers trigger upon her death, and allow her to reset continuity.
Just saying, since her abilities in their totality haven't been explained, and how it effects the past timelines hasn't explained....nothing is fact yet.