Sometime later, Sasha, Gloria and her husband take Stereotypical Barbie, now going by Barbara Roberts, to a gynecologist for her first appointment.

The rest of the film seems to be deconstructions of Barbie tropes. Which is like, a good premise for a Twilight Zone episode, or possibly a B plot for Rick & Morty story line.

The abstraction of reality is way past gone on this one. We are dealing with Food Fight! logic.