Sexually developed adults suffering from age or species dysphoria and ultimately demanding rights to match their self image is something that should not be encouraged in civil society, as those rights are inextricably linked to an implied requirement for consent which cannot be given.
It might be tempting to try and draw a line between the kind of folk above and the folk from the video, but I find that difficult given the variety of clearly sexually exaggerated avatars on display. The one that sticks most in mind being a fox with a pair of impractically large breasts.