Bree believed her future would be without Roger and without Roger, she’s alone with distant relatives, living and having a baby outside of the world and the timeline she grew up in.
Similar to modern women in today’s world, she feels it’s fitting Bree was alone in the scene.
Sophie Skelton also defended the TV moment in the interview, noting in some ways that Outlander parallels the trajectory of Bree having to head into motherhood thinking she will be a single mom.
It makes the scene a little bit more triumphant for Bree to overcome all of her hardships after the difficulties she faced in Season 4 and end up with a healthy baby in her arms.