Why would she? It's Shaw's life, she's not going to interfere with her choices - certainly not this sort of choice, anyway.

"Heh, well, helper or not...my universe had a lot of better choices than me."

Luke Skywalker, for instance. Leia Organa. Han Solo. Chewbacca. Wedge Antilles. Masters Tionne, Solusar...most of the Jedi Order, really. Her list could go on.