And it's entirely possible that the Tal Shiar might end up being much better at its counterintelligence function now that Sela is running it instead of someone who's distracted by his constant attempts to become the power behind the throne.
Yeah, but... outside of the novel The Romulan Strategem
, has Sela ever actually succeeded
in any of her plans? (She did succeed in killing Rehaek, barely, but that wasn't her plan, it was someone else's.)