So basically, Su-Z is actually a secret driving force of events.
CONSPIRACY THEORY: She may be friends with J.J. Abrams.
Triggering a time loop with K-Lo between Picard and Bateson, then destroying the Romulan homeworld, which caused Picard so much pain that he resigned from Starfleet, while Nero time travels to mess up TOS so badly so Abrams can make Darth Vader proud.
WHAT WILL ACTUALLY HAPPEN NEXT: The next relic PostCrush encounters will destroy the planet or have the same ending as SVTFOE.