They are children, not young adults. Particularly useful for “the only difference in biology is penis/vulva” propoganda.
Note how they didn’t show any bearded adult TIMs with their cocks out, or pregnant TIFs. How would you even show growing and sore lactating breasts as “male” without a binder...?
Also note that what could be seen as the “uncool” kids are cis - the girl in the wheelchair and boy with glasses.