I haven't seen the show, so I can't really say how "stupid" it is or if it adds anything to her character and the plot or not.
What could it possibly add. Spock isn't going to be in the series. You have an excuse to add Sarek but Why? Why not add another Vulcan character. You can still have Sarek as a mentor like character. The whole Vulcans made her stronger/traumatize her angle doesn't need Sarek. It's name dropping for the sake of name dropping. Anyway you look at it ANY Vulcan would do.