Yeah, we’ve already seen she is willing to take action against Dawn and Dusk, as she’s more loyal to Day. She’s also clearly pissed at Day for using her religion for his benefit and forcing her to kill that religious leader. I think her ultimate allegiance is to the genetic dynasty itself, so Day moving to end it is what forces her to act against him.
That first season of TNG is… rough. Although, that’s kind of an issue with most trek and it can easily put people off. Only TOS, Lower Decks, and Strange New Worlds were birthed with beard full grown