The majority of people playing female characters seem to pick short and dainty looking options already, so I think it is pretty much a case of the development team seeking to appeal to the most commonly desired aesthetic.

Female roegadyn are often touted as amazing and valid and the best thing ever on the likes of Reddit and Twitter but in actuality they're the least played race/gender combination in the game.

If we get additional customisation options at a later date, though, then I'd be fine with more options for demonic/draconic aesthetics.