Her entire arc revolves around asserting personhood, autonomy, and rejecting an assigned identity, which multiple analyses explicitly frame as a trans allegory, including her choice of a short, inanimate-object-inspired name and battles against systemic enforcement of her 'purpose.' Jesse's parallel storyline involves learning to stop people-pleasing and stand up for his values, reinforcing themes of self-assertion against external expectations. Creator Owen Dennis has discussed using metaphors for queer elements due to network constraints, confirming intentional subtext in the identity-focused narrative.

Casting keeps Ashley Johnson voicing both Tulip and Lake as a direct extension rather than a swap, with no other DEI-driven changes to prior characters. Audience discussions on Reddit and YouTube frequently highlight the allegory positively or as progressive messaging on mental health and identity, with minimal backlash specific to this season. While the show's core premise of trauma resolution via the train overlaps traditional storytelling, Season 2 elevates identity politics as the primary emotional driver for its new protagonist, pushing beyond incidental diversity into deliberate framing of systemic role rejection.