it's not a conversion therapy thing, they made a transphobic joke character and the only way to make bridget not a transphobic joke was to make her textually trans

from the watsonian pov she lived as a boy separate from the village and it's customs for like a decade before sorting her shit out, there was no conversion therapy and even when she lived in the village they weren't trying to convince her she was really a girl, they were very open about it being a disguise to her